Washington Nationals' Roger Bernadina hits an RBI-double off a pitch from Boston Red Sox's Alfredo Aceves as Red Sox catcher Jarrod Saltalamacchia looks on in the ninth inning of a baseball game at Fenway Park in Boston, Sunday, June 10, 2012. The Nationals beat the Red Sox 4-3. (AP Photo/Steven Senne)

Photo by: Steven Senne

Washington Nationals' Roger Bernadina hits an RBI-double off a pitch from Boston Red Sox's Alfredo Aceves as Red Sox catcher Jarrod Saltalamacchia looks on in the ninth inning of a baseball game at Fenway Park in Boston, Sunday, June 10, 2012. The Nationals beat the Red Sox 4-3. (AP Photo/Steven Senne)