Assertion: league's player | /r/CapableOf | deliver 21 pitches
Facets:
Source sentences:
text: A player who played the position of catcher for three (3) innings or less, moves to the pitcher position, and delivers 21 pitches or more (15- and 16-year-olds: 31 pitches or more) in the same day, may not return to the catcher position on that calendar day.