This is a lot of outrage for such a low-risk move. As mentioned before by several people, I assume the FO has identified something in Perez and think they can get better performance out of him than he's shown in the past. He seems like one of these classic "introduce a cutter and he's good" pitchers a la Anibal Sanchez and Wade Miley. And if he doesn't work out, we still have several 5th starter depth options that will be ready to step in if we move him to the bullpen or cut him. Guys like Gonsalves, Stewart, Romero, Littell, etc. will not be hurt by spending additional time in AAA. Likewise with Mejia and the bullpen. And last but not least, this measly $3.5 million contract in no way prevents the Twins from chasing some of the big free agency fish still left.