Starling Marte can't pinpoint why. The Pirates center fielder just knows there's something about batting with the game on the line that brings out an extra sense of confidence. Not even a monthlong slump to start this season is going to shake that. Marte hit a game-ending, three-run homer in the 13th inning, rallying the Pittsburgh Pirates past Oakland 5-3 Sunday after the Athletics scored twice in the top of the inning. Read more http://www.espn.com/mlb/recap?gameId=401075241&wsVar=us~mlb~gamepackage,desktop,en
