Opening Day for Major League Baseball (77 images)

A fan dressed in American flags stands outside of the stadium at the opening series of the 2015 MLB Season where the New York Yankees will play the Toronto Blue Jays on Opening Day at Yankee Stadium in New York City on April 6, 2015. This year, all 30 Major League Baseball teams are having their fans walk through magnetometers or get screened with a hand-held metal detector. Photo by John Angelillo/UPI

New York Mets Manager Terry Collins greets Curtis Granderson and the rest of the team as they arrive on the field for the game against the Washington Nationals on Opening Day at Nationals Park on April 6, 2015 in Washington, DC. Mets won 3-1 Photo by Pat Benic/UPI

The New York Mets and Washington Nationals line the field during the playing of the National Anthem prior to game on Opening Day at Nationals Park on April 6, 2015 in Washington, DC. Mets won 3-1 Photo by Pat Benic/UPI

The New York Mets and Washington Nationals line the field as two jets do a flyby after the playing of the National Anthem prior to game on Opening Day at Nationals Park on April 6, 2015 in Washington, DC. Mets won 3-1 Photo by Pat Benic/UPI