What happens when an ambidextrous pitcher faces off against a switch-hitting batter? Henry Knight, ambidextrous pitcher - Columbia City Reds The "Venditte Rule" With Venditte able to throw with either arm, he will have to declare whether he will pitch right-handed or left-handed at the start of each at-bat. Venditte won't be allowed to routinely change arms like he once could. A minor-league confrontation with a switch hitter led to the "Venditte Rule." - Alex Schiffer, NJ.com 2015 Official Baseball Rule 5.07(f) (formerly 2014 OBR 8.01(f)) covers this situation: A pitcher must indicate visually to the umpire-in-chief, the batter and any runners the hand with which he intends to pitch, which may be done by wearing his glove on the other hand while touching the pitcher's plate. The pitcher is not permitted to pitch with the other hand until the batter is retired, the batter becomes a runner, the inning ends, the batter is substituted for b...
Learn about ambidextrous pitchers – from Little League to the MLB.