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    Tom Froemming

    Twins pitchers have been much more successful this season when Jason Castro has been behind the plate. Are there stats we can point to that prove he’s a far superior game caller/pitcher whisperer than Chris Gimenez? Or are there too many variables that cloud the numbers?

    Image courtesy of Evan Habeeb-USA TODAY Sports

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    One of the fun parts that came from the Twins signing Castro as a free agent over the winter was we had numerous writers take deep dives into the value of catcher framing. Castro has long been considered to be excellent at presenting pitches, and the numbers indicate he’s having another good season.

    Castro ranks ninth in the league in framing runs above average, but what about his game calling and ability to manage a pitching staff? Unfortunately, there doesn’t seem to be any good way of quantifying those things.

    Twins pitchers have performed significantly better when throwing to Castro than Gimenez. Is that trend likely to continue? That I’m not sure. In terms of framing, Gimenez is no slouch, either. He ranks 31st among the 83 catchers Baseball Prospectus has ranked.

    Gimenez also controls the running game well and, at least from the outside looking in, seems to be one of the more fun guys to be around on the team. Plus, he’s provided valuable versatility and has even hit better than Castro this year.

    If it sounds like I’m trying to butter him up before I drop the hammer, it’s because that’s exactly what’s happening. I like Gimenez, and think he’s a good backup catcher, but the following numbers don’t put him in a positive light.

    Overall team stats

    Pitching to Castro: 587.2 IP, 4.13 ERA, .758 OPS against, .286 BABIP

    Pitching to Gimenez: 267.9 IP, 6.30 ERA, .882 OPS against, .324 BABIP

    Castro: 26 of 65 starts (40%) have come against teams with OPS above league average.

    Gimenez: 10 of 31 (32.3%) starts have come against teams with OPS above league average.

    Broken down by pitcher (minimum 50 IP total this season)

    Ervin Santana

    Castro: 96.2 IP, 2.61 ERA, .664 OPS against, .244 BABIP

    Gimenez: 33. IP, 5.18 ERA, .745 OPS against, .172 BABIP

    Kyle Gibson

    Castro: 56.2 IP, 6.19 ERA, .879 OPS against, .323 BABIP

    Gimenez: 38.0 IP, 5.92 ERA, .912 OPS against, .342 BABIP

    Jose Berrios

    Castro: 42.0 IP, 3.00 ERA, .558 OPS against, .254 BABIP

    Gimenez: 37.2 IP, 4.06 ERA, .776 OPS against, .297 BABIP

    Adalberto Mejia

    Castro: 55.2 IP, 4.04 ERA, .754 OPS against, .279 BABIP

    Gimenez: 14.2 IP, 4.91 ERA, .915 OPS against, .308 BABIP

    Hector Santiago

    Castro: 60.0 IP, 4.65 ERA, .715 OPS against, .242 BABIP

    Gimenez: 10.1 IP, 11.32 ERA, 1.109 OPS against, .387 BABIP

    Phil Hughes

    Castro : 28.2 IP, 6.91 ERA, 1.046 OPS against, .388 BABIP

    Gimenez: 25.0 IP, 3.96 ERA, .709 OPS against, .263 BABIP

    I’m confident in concluding that Castro has been much better at the game calling/pitcher handling aspect than Gimenez this season. I’m less confident saying Gimenez has been downright bad at it.

    Santana has thrown by far the most innings for the Twins this season, so his numbers weigh heavily on the team stats. So this could be the case where, for whatever reason, Ervin is much more comfortable pitching to Castro and his splits have skewed the big picture.

    There is some debate whether looking at catcher ERA between two guys on the same team is even valuable, but it really doesn’t hold much value when comparing guys on different teams. I’m going to do it anyway. For what it’s worth (maybe nothing) Gimenez has the worst catcher ERA among all players with at least 10 starts behind the plate.

    If it sounds like I’m having a hard time drawing conclusions from all this info, it’s because I am. That’s where you come in. Let me know what you think.

    Full disclosure: I am a huge Mitch Garver fan, but I see no reason why he can’t coexist on the roster with both Castro and Gimenez (assuming they use a four-man bench). Along with catching, Garver has played some left field and first base down in Rochester. He’s having a fantastic season, but his ability to hit lefties (.996 OPS) would be particularly valuable on the big club. So I see Mitch more as a bench bat who can catch than a threat to take over as the primary backup catcher.

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    The Players Project

    Tom Burgmeier

    Thomas Henry (Tom) Burgmeier was born August 2, 1943 in St. Paul, MN, the fourth of eight children.  He grew up in St. Cloud, MN, and graduated from St. Cloud Cathedral High School in 1961, where he was a significant contributor to Cathedral's Cathol...

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    I am having trouble with this comparison.  I enjoy it and I am a big catcher stat skeptic, but here are the weaknesses that need some explanation.  Both Santana a good pitcher and Hughes, a bad pitcher, have better BABIP when throwing to Giminez.  That is a telling stat, more than ERA where the bullpen can add to the numbers.  The opposite is true for the other pitchers. but why?  Who were the opponents?  When did Mejia pitch to Giminez - was it before or after his seemingly significant turn around?  I too, want Garver called up, but the real question is who is better between Giminez and Garver?

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    The problem with statistics is they can be bent to mean many things with different variables, as mikelink just pointed out.

     

    I like Giminez as a teammate from all I've heard, he offers some versatility, and is not horrible at the plate either. Still, the numbers offered and Barber's ability offensively, and all the positives we've heard about his defense, I think its about time for his turn. I've said before, I wonder at some point if there will be a team needing catching help and Giminez might be moved. Agreed the team could do well with all 3 on the roster, with Garver sort of taking Vargas's spot. (Though I'm still not sure I'm willing to give up on Vargas just yet).

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    The data used takes a large sample to stabilize when it is a single pitcher. I don't see how to use ERA, slash stats and BABIP in splits with any value. Given their dependence on each other, are they saying anything different?

     

    There might be data that is useful.

     

    I wonder if first strike % is significantly different? How about 0-2 and 1-2 counts? What is called? What is the result? How might Castro sequence a pitcher differently than Gimenez?

     

    What do the varying strike zone maps look like? Do they vary by catcher for the same pitcher?

     

    Strike out rate and walk rate are among the first that stabilize. I don't know if in a split we will have enough data at full season. Once we control by a single pitcher the split sample gets pretty small. Those would be the only two that are easily available to us but it might take a few years of data. Any conclusion would be hindsight by that time.

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    I had not thought of Gimenez as a potential trade target, but I suppose it could go that way. One should not get too excited at what the return would be, however, as he would be a 2.5 month rental.

     

    The numbers Garver has put up and maintained this year in AAA are very promising. Nonetheless, I suspect that we won't see him until September, if then. Gimenez is one of Falvine's 'guys' and we are seeing some evidence that those players are nearly bulletproof when it comes to a roster position (Belisle, Breslow, Haley).

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    I don't really believe in Catcher ERA as an indicator of much... but I don't think anyone would question that Castro is the better defensive catcher. That's how he got the 3 year, $24+ million contract, and Gimenez signed on a minor league deal. But that stat does little for me. Way too many other variables go into that.

     

    That said, I have obviously been a Garver guy since he was my choice for minor league hitter of the year in 2014 in Cedar Rapids. And now his play, offense and defense have improved to the point where he's ready. For me, instead of continuing to call up Vargas, I'd call up Garver as a #3 catcher/1B/DH/PH guy. 

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      On 7/23/2017 at 2:15 PM, mikelink45 said:

    I am having trouble with this comparison.  I enjoy it and I am a big catcher stat skeptic, but here are the weaknesses that need some explanation.  Both Santana a good pitcher and Hughes, a bad pitcher, have better BABIP when throwing to Giminez.  That is a telling stat, more than ERA where the bullpen can add to the numbers.  The opposite is true for the other pitchers. but why?  Who were the opponents?  When did Mejia pitch to Giminez - was it before or after his seemingly significant turn around?  I too, want Garver called up, but the real question is who is better between Giminez and Garver?

     

    I agree that relievers' performance has a big influence on a pitcher's ERA. (Witness Gibson's last two starts.) But it doesn't seem like this would matter so much for catcher's ERA because teams rarely change catchers in the middle of an inning when the reliever comes in. If the reliever gives up a bunch of inherited runs, that's on the same catcher's watch.

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      On 7/23/2017 at 4:19 PM, Seth Stohs said:

    I don't really believe in Catcher ERA as an indicator of much... but I don't think anyone would question that Castro is the better defensive catcher. That's how he got the 3 year, $24+ million contract, and Gimenez signed on a minor league deal. But that stat does little for me. Way too many other variables go into that.

     

    That said, I have obviously been a Garver guy since he was my choice for minor league hitter of the year in 2014 in Cedar Rapids. And now his play, offense and defense have improved to the point where he's ready. For me, instead of continuing to call up Vargas, I'd call up Garver as a #3 catcher/1B/DH/PH guy. 

     

    Seth, you'd have Garver as your bench bat right away?  Vargas at least gives us a HR threat off the bench.  Right or wrong I don't see Garver that way.

     

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      On 7/23/2017 at 5:36 PM, DJSim22 said:

    Seth, you'd have Garver as your bench bat right away?  Vargas at least gives us a HR threat off the bench.  Right or wrong I don't see Garver that way.

     

    Garver's just a better hitter, takes better at bats, has 12 HR in AAA, lots of doubles... actually has some value defensively... 

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      On 7/23/2017 at 5:41 PM, Seth Stohs said:

    Garver's just a better hitter, takes better at bats, has 12 HR in AAA, lots of doubles... actually has some value defensively... 

     

    A Garver/Grossman combo could be interesting.  I know Grossman can give you a professional at bat in the clutch, if Garver can do the same, they could be a good DH/PH combo. 

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    It's too hard to analyze catching numbers and be satisfied, because it's so reliant on uncontrollable forces. A catcher could catch one pitching staff and look statistically great, then another and look terrible.

     

    Framing numbers especially. Pitchers/umpires are not created equal, and could potentially cause large swings in how those numbers look. You're not always comparing an apple to an apple, no matter how you try to level the field.

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    The only reason I wouldn't drop Gimenez is for injury depth. Him being "able" to pitch isn't worth anything other than laughs. Let Garver come up and start the learning curve. Plenty of at bats to go around.

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    I wonder how the Twins assess Garver's defense. Is he close to Murphy?

     

    If a major league catcher were to go down, I think they would call up the better defensive catcher. There is clear separation at the bat. I do wonder if the Twins see significant separation with the glove in Murphy's favor and whether he might be the next catcher in line.

     

    That call up will be very telling for how the organization sees Garver's future role.

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      On 7/23/2017 at 10:49 PM, jorgenswest said:

    I wonder how the Twins assess Garver's defense. Is he close to Murphy?

     

    If a major league catcher were to go down, I think they would call up the better defensive catcher. There is clear separation at the bat. I do wonder if the Twins see significant separation with the glove in Murphy's favor and whether he might be the next catcher in line.

     

    That call up will be very telling for how the organization sees Garver's future role.

    If Garver's defense is so bad that he can't even get called up over Murphy- who isn't even hitting AAA pitching ( nearly .300 points of OPS worse than Garver), then Garver just simply isn't a catcher.

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    Turner is finally back on the Reds active roster after suspect long DL for mysterious hammey...... has been in 20 games with 43 PAs. The Reds are carrying 3 catchers again. I guess they really want him and his .179 average and .489 OPS. I remember when catchers were expected to hit, and did...... and it wasn't that long ago. Now... shortstops don't need to hit, catchers don't need to hit, center fielders don't need to hit.... it really is ridiculous. 

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    I remember the pundits here and elsewhere, in their prospect lists.... dissing Garver in favor of Turner the whole way up the ladder. I always contended they were wrong. I still do. You don't get judged the collegiate Johnny Bench award runner up (to Turner) if you can't catch in college, too.

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      On 7/23/2017 at 2:15 PM, mikelink45 said:

    I am having trouble with this comparison.  I enjoy it and I am a big catcher stat skeptic, but here are the weaknesses that need some explanation.  Both Santana a good pitcher and Hughes, a bad pitcher, have better BABIP when throwing to Giminez.  That is a telling stat, more than ERA where the bullpen can add to the numbers.  The opposite is true for the other pitchers. but why?  Who were the opponents?  When did Mejia pitch to Giminez - was it before or after his seemingly significant turn around?  I too, want Garver called up, but the real question is who is better between Giminez and Garver?

     

    Probably worth noting that BABIP does not count home runs...

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      On 7/23/2017 at 11:04 PM, Mr. Brooks said:

    If Garver's defense is so bad that he can't even get called up over Murphy- who isn't even hitting AAA pitching ( nearly .300 points of OPS worse than Garver), then Garver just simply isn't a catcher.

    As I said, I wonder what the Twins think about Garver's defense. His bat isn't keeping him in AAA.

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      On 7/23/2017 at 2:32 PM, DocBauer said:

    The problem with statistics is they can be bent to mean many things with different variables, as mikelink just pointed out. I like Giminez as a teammate from all I've heard, he offers some versatility, and is not horrible at the plate either. Still, the numbers offered and Barber's ability offensively, and all the positives we've heard about his defense, I think its about time for his turn. I've said before, I wonder at some point if there will be a team needing catching help and Giminez might be moved. Agreed the team could do well with all 3 on the roster, with Garver sort of taking Vargas's spot. (Though I'm still not sure I'm willing to give up on Vargas just yet).

     

    I am.  His best spot is DH.  As a first-baseman, he's a statue.  And let's be frank about Vargas:  after an initial splash, he's not much of an advantage on the field or at the plate in an average of 52 games and 192 AB's over the past 4 years.  I think it's time to move on from Vargas.  Mitch Garver can easily take his place.

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