Detroit Tigers' Keider Montero throws new pitch as development continues in rookie year

Detroit Tigers' Keider Montero throws new pitch as development continues in rookie year Keider Montero used to throw five pitches. More than two years ago, the Detroit Tigers wanted Montero to focus on three pitches — four-seam fastball, slider and changeup — at the High-A level, which meant scrapping his curveball and sinker. Montero wanted to keep his high-spin curveball in as part of his arsenal, but he was willing to quit throwing the sinker. Two years later, the sinker has returned to Montero's pitch mix at the MLB level....