Giancarlo Stanton #27 of the Miami Marlins reacts to striking...

Giancarlo Stanton #27 of the Miami Marlins reacts to striking out during a game against the St. Louis Cardinals at Marlins Park. (June 25, 2012) Credit: Getty Images

ST. LOUIS -- Giancarlo Stanton will undergo arthroscopic surgery on his right knee Sunday after lasting just two innings in his first start in five games, leaving the Miami Marlins without a representative on the field at Tuesday's All-Star game.

Manager Ozzie Guillen guessed Stanton would miss about a month. General manager Mike Hill said the procedure to remove a loose body in the knee is fairly routine.

Stanton started Saturday's 3-2 loss at St. Louis but was removed for a pinch hitter in the third.

Stanton, who singled and scored on Justin's Ruggiano's two-run homer in the second, began the day with a .282 batting average, 19 homers and 50 RBIs. He also was scheduled to participate in Monday's All-Star home run derby in Kansas City.

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