
Washington Nationals' Michael Morse hits a two-run home run during the eighth inning of an interleague baseball game against the Chicago White Sox in Chicago, Friday, June 24, 2011. (AP Photo/Nam Y. Huh)

Washington Nationals' Michael Morse, right, knees down after striking out as Chicago white Sox catcher Ramon Castro looks to throw a ball during the seventh inning of an interleague baseball game in Chicago, Saturday, June 25, 2011. The White Sox won 3-0. (AP Photo/Nam Y. Huh)

associated press Washington first baseman Michael Morse, acquired from Seattle for outfielder Ryan Langerhans in June 2009, went into last night's game batting .308 with 13 home runs and 45 RBI.

Washington Nationals' Michael Morse, left, is congratulated by third base coach Bo Porter, right, as he rounds the bases after hitting a two-run home run off Baltimore Orioles pitcher Brian Matusz during the sixth inning of an interleague baseball game in Washington, Saturday, June 18, 2011. The Nationals beat the Orioles 4-2. (AP Photo/Ann Heisenfelt)

Nationals first baseman Michael Morse has been a steady power source since taking over for injured Adam LaRoche. He homered twice Wednesday night against St. Louis. (Associated Press)

Washington Nationals slugger Michael Morse has signed a multiyear extension with the team. He batted .303 with 31 home runs and 95 RBI last season. (AP Photo/Ann Heisenfelt)

The Washington Nationals' Michael Morse is greeted at the plate by teammates Laynce Nix, and Danny Espinosa after Morse hit a two-run home run against the San Diego Padres in the second inning. Those two runs were enough for the Nats in this one, as they hung on for the 2-1 victory. (AP Photo/Gregory Bull)

Washington Nationals' Michael Morse reacts after striking out against the Arizona Diamondbacks in the eighth inning of an MLB baseball game on Saturday, June 4, 2011, in Phoenix. The Diamondbacks won 2-0. (AP Photo/Paul Connors)

Washington Nationals' Danny Espinosa celebrates with teammate Michael Morse after hitting a three-run home run off Philadelphia Phillies pitcher Cliff Lee during the third inning. Espinosa hit two home runs in the game, finishing the day 3-for-4 with four RBI and two runs. (AP Photo/Ann Heisenfelt)