Detroit Tigers fans before the game against the Boston Red Sox in Detroit.
2 of 22Steve Mitchell/US Presswire
Marlins fans Mayra Hernandez (right) and Liliana Sanchez pose for a photo before opening day against the St. Louis Cardinals at Marlins Ballpark.
3 of 22John Angelillo/UPI/Landov
Mets fan with painted faces stood outside the stadium before New York's game against the Braves.
4 of 22Mike Ehrmann/Getty Images
Miami fans caught the season-opening fever on April 4, when the Marlins and St. Louis Cardinals played in MLB's first 2012 game in the U.S. (The official season opener was a week earlier in Japan.)
5 of 22Mike Ehrmann/Getty Images
The game marked the opening of Marlins Park in Miami.
6 of 22Mike Ehrmann/Getty Images
A sellout crowd of crowd of 36,601 attended the season opener.
7 of 22Sarah Glenn/Getty Images
St. Louis pitcher Kyle Lohse didn't give the home crowd much to cheer about as he took a no-hitter into the eighth inning. The Cardinals breezed to a 4-1 victory.
8 of 22Patrick Farrell/Miami Herald/MCT/Landov
A couple of fans celebrate Marlins' Josh Johnson's first pitch that was called a strike.
9 of 22Frank Franklin II/AP
Fans pose before the season opening game at Citi Field between the New York Mets and the Atlanta Braves.
10 of 22Nick Laham/Getty Images
New York Mets fans missed a little work to attend Thursday's opener.
11 of 22John Angelillo/UPI/Landov
It was a sunny day in New York.
12 of 22Koji Watanabe/Getty Images
Fans in Japan at the season-opening game between Seattle and Oakland at Tokyo Dome on March 29.
13 of 22Kimimasa Mayama/EPA
A Japanese mother and her daughter show their support for Seattle Mariner's outfielder Ichiro Suzuki in Tokyo.
14 of 22Kimimasa Mayama/EPA
The game marked the first time Ichiro Suzuki played a game in Japan in a major league uniform.
15 of 22Koji Watanabe/Getty Images
Ichiro's number was seemingly everywhere.
16 of 22Chuck Solomon/SI
New York Mets fan at Citi Field. Queens, NY.
17 of 22Aaron Josefczyk/Reuters
A Cleveland Indians fan holds up a sign celebrating opening day before their home opening MLB American League baseball game against the Toronto Blue Jays in Cleveland, Ohio April 5, 2012.
18 of 22John Sommers II/Reuters
Cincinnati Reds fans file into Great American Ball Park for their home opening day game against the Miami Marlins in their National League MLB baseball game in Cincinnati, Ohio, April 5, 2012.
19 of 22Adam Hunger/Reuters
A New York Mets fan who goes as 'Pinman' is seen at the MLB National League opening day baseball game against the Atlanta Braves at CitiField in New York April 5, 2012.
20 of 22Adam Hunger/Reuters
New York Mets fans enjoy hotdogs during an MLB National League opening day baseball game against the Atlanta Braves at CitiField in New York April 5, 2012.
21 of 22John Sommers II/Reuters
Cincinnati Reds fans watch their team during batting practices before the start of their opening day game against the Miami Marlins in their National League MLB baseball game at Great American Ball Park in Cincinnati, Ohio, April 5, 2012.
22 of 22Jonathan Daniel/Getty Images
Fans of the Chicago Cubs take photos during batting practice in the right field bleachers before the opening day game against the Washington Nationals at Wrigley Field on April 5, 2012 in Chicago, Illinois.
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