Red Sox president of baseball operations Dave Dombrowski announced the trade in the clubhouse after the 2-1, 13-inning win over Philadelphia that put Boston a season-best six games ahead of the New York Yankees in the AL East.
Pedroia and Kinsler have been connected since their college days, when Pedroia took Kinsler's starting job as shortstop at Arizona State in 2002. Kinsler transferred to Missouri the following year.