![Pitcher Matt Waldron continues knuckleball transformation as San Antonio Missions open Double-A season Pitcher Matt Waldron continues knuckleball transformation as San Antonio Missions open Double-A season](https://s.hdnux.com/photos/01/25/07/07/22311412/4/1200x0.jpg)
Pitcher Matt Waldron continues knuckleball transformation as San Antonio Missions open Double-A season
Has any baseball pitcher been known to mix a knuckleball in with their other pitches? Not a knuckleball pitcher per se, but someone who might use it sparingly to catch a batter
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