Yankees' HOPE Week: Batting A Thousand
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At last year's HOPE Week, pitcher Mariano Rivera warmed up with Jorge Grajales before the New York Yankees played the Detroit Tigers. Grajales threw out the game's first pitch.
Source: http://www.npr.org/2011/07/20/138466233/yankees-hope-week-batting-a-thousand?ft=1&f=1057