Mark McGwire manages for first time after Padres skipper Andy Green ejected

Mark McGwire gained his first managerial experience Tuesday when Padres manager Andy Green was ejected in the third inning against the Pirates.

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Green was tossed from the game when he felt the umpires blew a balk call. He leapt from the dugout and berated the crew until Brian Gorman dismissed him.

Brian Gorman ejects Andy Green. (Getty Images)

Then it was McGwire's turn.

The former slugger, who serves as Green's bench coach, got a chance to call the shots for a major league club, and the fans seemed to be pleased. The Padres hit three home runs after Green's ejection to build a 5-3 lead after five innings.

I'll say this, Mark McGwire can manage the long…