10 Things to See in Sports: AP's top sports photos10ThingstoSeeSports - Pittsburgh Pirates' Starling Marte, left, scores ahead of the tag by San Francisco Giants catcher Buster Posey in the ninth inning of a baseball game in Pittsburgh, Tuesday, May 6, 2014. Marte was called out initially by home plate umpire Quinn Wolcott, but the call was overturned upon review. It was a walk-off triple, and an error, that allowed Marte to score. The Pirates won 2-1. (AP Photo/Gene J. Puskar, File)
Here's a look at some of the defining moments, exciting scenes, triumphs and defeats from the world of sports.
Images this week include an umpire battling with a Pittsburgh Pirates first base coach over a call and a boxer crumpled by a low blow in Las Vegas.
This gallery contains photos published May 1-6.
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This gallery was curated by photo editor Alyssa Goodman in New York.