Will Dozier Maintain His Value?
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One of the questions the Twins must be asking is whether Brian Dozier will retain his value.
We have seen his streakiness in season, but season to season he has been pretty reliable. I do wonder if hitters with his characteristics (pull hitters, fly ball hitters, relatively high ISO, right handed) tend to be more streaky within season. On the other hand, slash stats don't stabilize short of a full season and really aren't very meaningful in splits. We shouldn't expect them to be reliable by the month or half season.
I looked for a comp group with a similar age 26-29 seasons centered on Dozier while trending up at age 29.
Searching for right handed hitters with a similar OPS+ and ISO, I found 30 hitters since 1991 with a 4 year OPS+ of 115 and ISO of .215 (Dozier is 114/.208). There were 31 in the age 29 group with an OPS+ of 139 and ISO of .251 (Dozier was 136/.278)
The overlap group includes
Andruw Jones
Brian Dozier
Chris Carter
Corey Hart
Dan Uggla
Dean Palmer
Ian Kinsler
Kevin Youkilis
Mike Lowell
Pat Burrell
Paul Konerko
Rich Aurilia
Todd Frazier
Troy Glaus
Vinny Castilla
Yoenis Cespedes
Chris Carter is the same age as Dozier. Carter and Jones aren't great positional fits in opposite directions. My interest is whether Dozier will continue to hit though.
This group of healthy regulars maintained their heath for the most part ages 30 and 31. Only Hart lost a season (31) due to injury. Six of the twelve age 30 seasons made the all star team. The median OPS+ was 127. A drop from the age 29 season but better than the career number. It isn't surprising that it was a drop from age 29 since I looked for players that trended up. That group did not regress very much. Only one player Glaus did not play a full season at age 30 but even he had 456 plate appearances. Jones and Kinsler had an OPS+ below 100 and only Jones had a bad season at the plate.
There was a drop at age 31. Jones and Hart were injured. The median OPS+ was 107.5 (without Hart). This group is dropping off. Dozier is probably not a good extension candidate. The discussion needs to be centered around dealing him now, dealing him later or keeping him through age 31.
I do wonder if this type of hitter declines earlier than typical but I don't expect that decline to begin next year. Holding onto Dozier for a year seems a reasonable gamble. The Twins don't need to trade him for fear that he will fall apart next year. It could happen. It could also happen that the players they get in return fall apart. That is why they must get more than one significant prospect or wait until they see that offer.
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