Baseball Season Openers
President Barack Obama greets umpires after throwing out the first pitch at Nationals Park in Washington, D.C.
Phillies ace Roy Halladay pitches against Washington at Nationals Park.
Atlanta Braves rookie phoenom Jason Heyward meets with Hall of Famer Hank Aaron before the start of Atlanta's game versus the Cubs at Turner Field. Heyward homered in his first big league at bat.
Reds Manager Dusty Baker (3rd from right) was in a light-hearted mood as yet another season got underway.
Reds groundskeepers lay down foul lines at Great American Ballpark.
St. Louis Cardinals batting practice pitcher Dennis Schutzenhofer gets balls ready prior to the game at Great American Ballpark.
Albert Pujols homers in his first at-bat of the season.
Mets closer Francisco Rodriguez finished the game as the home team prevailed 7-1.
Mets fans enter Citi Field prior to the opener versus the Florida Marlins.
Mets third baseman David Wright homers in his first at-bat against the Marlins.
At PNC Park in Pittsburgh, Andrew McCutchen watches Dodgers pitcher Vincente Padilla from the on deck circle.
Boston DH David Ortiz breaks his bat during the Red Sox's 9-7 win over the New York Yankees on Opening Night.
Boston's Mike Cameron scores past New York Yankees catcher Jorge Posada in the eighth inning on Opening Night.
Boston left fielder Jacoby Ellsbury can't reach Robinson Cano's fourth-inning hit at Fenway Park on Opening Night.