My first thought was Whaaa? But then I remembered that he's being compared to a healthy Mecir:
A's pitching coach Curt Young said that Calero, 30, is similar to former A's setup man Jim Mecir, when Mecir was healthy and going well, because Calero, who uses a fastball, changeup and a nasty slider, is effective against both right-handed and left-handed hitter...
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