April 2 (Bloomberg) -- Singers, season-ticket holders, soldiers and second-basemen were among those honored this year with throwing the first pitch, a tradition that marks the opening of the baseball season in parks across America and Canada.
Here’s a list of those who threw, with many opening game participants still to be determined:
Arizona Diamondbacks -- April 1 -- Brandon Webb, former National League Cy Young Award winner.
Atlanta Braves -- April 1 -- Chipper Jones, recently retired Braves third baseman.
Baltimore Orioles -- April 5 -- To be determined.
Boston Red Sox -- April 8 -- TBD.
Chicago Cubs -- April 8 -- TBD.
Chicago White Sox -- April 1 -- Bo Jackson, former National Football League and MLB player.
Cincinnati Reds -- April 1 -- Joe Torre, former major-league player and manager now MLB’s executive vice president of baseball operations.
Cleveland Indians -- April 8 -- Steve Swisher to first baseman Nick Swisher, Mickey Brantley to outfielder Michael Brantley, Steve McAllister to pitcher Zach McAllister, Sandy Alomar Sr. to bench coach Sandy Alomar Jr., and Tito Francona to manager Terry Francona, simultaneous first pitches thrown by former baseball-player fathers to their sons on the Indians.
Colorado Rockies -- April 5 -- TBD.
Detroit Tigers -- April 5 -- Willie Horton will throw to his 1968 World Series championship teammate Jim Price.
Houston Astros -- March 31 -- J.J. Watt, Houston Texans defensive end.
Kansas City Royals -- April 8 -- TBD.
Los Angeles Angels -- April 9 -- TBD.
Los Angeles Dodgers -- April 1 -- Sandy Koufax, Hall of Fame pitcher.
Miami Marlins -- April 8 -- TBD.
Milwaukee Brewers -- April 1 -- James Beckum, former Negro Leagues player who is founder of the Beckum-Stapleton Little League, joined by Milwaukee youth-league players Titus Brown and Paniya Stewart.
Minnesota Twins -- April 1 -- Family of Tom Decker, a Cold Spring, Minnesota, police officer killed in the line of duty in December
New York Mets -- April 1 -- Rusty Staub, former player.
New York Yankees -- April 1 -- Lou Piniella, former player, manager and broadcaster.
Oakland Athletics -- April 1 -- Barbara Angellar, season ticket-holder, as part of 2012 AL West Championship celebration.
Philadelphia Phillies -- April 5 -- Mike Schmidt and George Brett, Hall of Fame players; Joe Piscopo, comedian. Phillies play the Royals.
Pittsburgh Pirates -- April 1 -- Jim Rohr, retiring chairman/chief executive officer, PNC Bank.
San Diego Padres -- April 9 -- TBD.
San Francisco Giants -- April 5 -- TBD.
Seattle Mariners -- April 8 -- TBD.
St. Louis Cardinals -- April 8 -- TBD.
Tampa Bay Rays -- April 2 -- Don Zimmer, former major league player, coach and manager.
Texas Rangers -- April 5 -- Family of Emilie Parker, killed in the shooting at Sandy Hook Elementary School in Newtown, Connecticut.
Toronto Blue Jays -- April 2 -- Geddy Lee, lead singer of Rush.
Washington Nationals -- April 1 -- Clint Romesha, recipient of the Medal of Honor, the highest U.S. military honor. The former U.S. Army staff sergeant served four tours of duty in Kosovo, Iraq and Afghanistan.
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