Apparently Minnesota Timberwolves forward Michael Beasley wasn't the only NBA player who lost his cool in a summer game Thursday night. Beasley pushed a heckling fan in the face during a streetball game against Kevin Durant's team in New York, but on the other side of the country, Los Angeles Lakers forward Matt Barnes' victim was another player. Barnes reportedly punched an opponent during a San Francisco Pro-Am game Thursday, according to San Francisco's KGO TV. "He elbowed me and pushed me, so he got one," Barnes told ESPN.com college basketball writer Diamond Leung. "People just think they can talk any way or do anything to ... me. You can't. You can't do that, 'cause you know people are men out here. So if you think you're going to come out here and punk someone, that s--- ain't happening." Barnes said that he wasn't the instigator and was just protecting himself. Read more: http://espn.go.com/los-angeles/nba/...-barnes-punches-player-san-francisco-pro-game