The Blue Jays are among the teams playing as MLB swings in to gear
New York Yankees' Alex Rodriguez takes the field for batting practice before the opening day baseball game between the Toronto Blue Jays and the Yankees at Yankee Stadium, Monday, April 6, 2015, in New York.Seth Wenig/The Associated Press
Toronto Blue Jays players stretch on a tarp on the field before their game against the New York Yankees.Kathy Willens/The Associated Press
The New York Yankees take batting practice before a game against the Toronto Blue Jays on April 6, 2015 at Yankee Stadium in the Bronx.Elsa/Getty Images
Baseball fans are photographed with the Detroit Tigers mascot statue before entering Comerica Park for a game between the Detroit Tigers and the Minnesota Twins in Detroit, Monday, April 6, 2015.Carlos Osorio/The Associated Press
Members of the Philadelphia Phillies stretch ahead of an opening day baseball game against Boston Red Sox on Monday, April 6, 2015, in Philadelphia.Matt Rourke/The Associated Press
Tampa Bay Rays fans wait for autographs before the start of a game between the Tampa Bay Rays and the Baltimore Orioles on April 6, 2015 at Tropicana Field in St. Petersburg, Fla.Brian Blanco/Getty Images
Washington Nationals pitcher Stephen Strasburg, right, warms up before a baseball game between the Nationals and the New York Mets on opening day at at Nationals Park, Monday, April 6, 2015, in Washington.Andrew Harnik/The Associated Press
Members of the Washington Nationals stretch in the outfield prior to their Opening Day start against the New York Mets at Nationals Park on April 6, 2015 in Washington, DC.Win McNamee/Getty Images
Toronto Blue Jays manager John Gibbons, left, greets New York Yankees manager Joe Girardi before a game in New York, Monday, April 6, 2015.Kathy Willens/The Associated Press
The New York Yankees and Toronto Blue Jays line up for the national anthems before Opening Day on April 6, 2015 at Yankee Stadium in the Bronx.Elsa/Getty Images
David Price of the Detroit Tigers throws the first pitch during a game against the Minnesota Twins at Comerica Park on April 6, 2015 in Detroit.Leon Halip/Getty Images
Fans hold up a sign as New York Yankees' Alex Rodriguez comes up to bat during the third inning of the baseball game against the Toronto Blue Jays at Yankee Stadium.Seth Wenig/The Associated Press
Jose Bautista of the Toronto Blue Jays reacts after he hit a pop fly out in the third inning against the New York Yankees during Opening Day on April 6, 2015 at Yankee Stadium in the Bronx.Elsa/Getty Images
Minnesota Twins centre fielder Jordan Schafer misplays the triple hit by Detroit Tigers' Yoenis Cespedes during the sixth inning of an opening day baseball game in Detroit, Monday, April 6, 2015.Carlos Osorio/The Associated Press
Moose, the Seattle Mariners mascot, playfully blocks the view of a Los Angeles Angels fan trying to take a selfie cell phone photo with him after gates opened for an opening day baseball game between the Seattle Mariners and the Los Angeles Angels, Monday, April 6, 2015, in Seattle.Ted S. Warren/The Associated Press
Jonathan Lucroy of the Milwaukee Brewers makes the tag on D.J. LaMahieu of the Colorado Rockies as he slides into home plate during the second inning during Opening Day at Miller Park on April 6, 2015 in Milwaukee.Mike McGinnis/Getty Images
Milwaukee Brewers second baseman Scooter Gennett, right, is hit by pitch during the second inning of an baseball game against the Colorado Rockies on Monday, April 6, 2015, in Milwaukee.Darren Hauck/The Associated Press
Yoenis Cespedes of the Detroit Tigers slides into third base for a triple during the sixth inning of a game against the Minnesota Twins at Comerica Park on April 6, 2015 in Detroit.Leon Halip/Getty Images
A member of the U.S. Navy parachute demonstration team, the Leap Frogs, jumps into the stadium before an opening day baseball game between the Philadelphia Phillies and the Boston Red Sox Monday, April 6, 2015, in Philadelphia.Matt Rourke/The Associated Press
Yunel Escobar of the Washington Nationals beats out the throw as first baseman Lucas Duda of the New York Mets applies the late tag in the first inning during Opening Day at Nationals Park on April 6, 2015 in Washington, DC.Rob Carr/Getty Images
Seattle Mariners' fans seated in the "King's Court" cheer starting pitcher Felix Hernandez on his first strikeout, of Los Angeles Angels lead off hitter Kole Calhoun in the first inning of a baseball game Monday, April 6, 2015, in Seattle.Elaine Thompson/The Associated Press