Acuna Jr.'s leadoff home run

Acuna Jr.'s leadoff home run ATLANTA -- Braves phenom Ronald Acuna Jr. has put together a special rookie season, and with another leadoff home run on Sunday, it became record-tying.

Acuna took Pirates starter Nick Kingham deep to left field on a 1-0 fastball up and in, which gave him seven leadoff home runs this season. That ties him with Marquis Grissom (1997) for the most by a Braves player in a single season.

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The blast also moved Acuna into a tie for the second-most leadoff homers by a rookie with Nomar Garciaparra (1997) and Hanley Ramirez ('06). Chris Young holds the record with nine leadoff homers in '07.

Acuna's shot was a no-doubter, leaving the bat at 109.7 mph…