Defining Catcher's Interference - Little League
TOR@LAA: Travis called out for interference because he hit the catcher with his backswing while Coghlan was stealing second. : r/baseball
California overcomes late gaffe to advance to U.S. title game - ESPN Video
LL University - Umpires
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Obstruction Rules California Collegiate Softball Umpires Association
Defining Catcher's Interference - Little League
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Craig Edwards] The Nationals' Protest Case : r/baseball
