Police react to the second explosion during yesterday’s bombing at the Boston Marathon. On the ground is 78-year-old Bill Iffrig, who was knocked down while running the race. (Boston Globe/Getty Images)
GALLERY: Tragedy At Boston Marathon
A aerial view of Comiskey Park during the 1959 World Series between the White Sox and the Dodgers. (AP Photo)
Joe Montana and Jerry Rice celebrate a touchdown during a 1986 Cardinals-49ers game. (Greg Trott/AP)
GALLERY: San Francisco 49ers Glory Years
Wayne Gretzky grabs a quick meal at a McDonald’s in Sault Ste. Marie during a 1978 photo shoot. (Lane Stewart/SI)
GALLERY: Rare Photos of Wayne Gretzky
Charles Barkley prepares to make a move on Larry Bird during a 1989 Celtics-76ers game. (Getty Images)
GALLERY: Rare Photos of Charles Barkley
Brian Bosworth poses during a 1988 SI photo shoot. (Heinz Kluetmeier/SI)
GALLERY: Rare Photos of Brian Bosworth
Sixers guard Allen Iverson poses for a April 2001 SI cover shoot. (Gerard Rancinan/SI)
GALLERY: Rare Photos of Allen Iverson
Coco Crisp dives but comes up a bit short on a line drive from former teammate Chris Carter during a Oakland-Houston game. (Bob Levey/Getty Images)
GALLERY: Pictures of the Week
Yup, Tiger Woods was once a redhead. In this 2001 photo, Woods watches the Orange Bowl between Oklahoma and Florida State. Will Woods win the Masters this weekend? (John Biever/SI)
GALLERY: Tiger Woods: The College Years
A jockey loses his horse during John Smith’s Foxhunters Steeple Chase last week. (Alan Crowhurst/Getty Images)
GALLERY: Did You See That?
Gordie Howe looks for the puck during a 1964 Bruins-Red Wings game. (Neil Leifer/SI)
Tiger Woods celebrates after sinking a par putt on the 18th hole to win the 1997 Masters. (John Iacono/SI)
GALLERY: Tiger Woods’ Career At Augusta
Trey Burke blocks Peyton Siva late in the second half of Monday’s National Championship Game. The play was called a foul by the refs and the Cardinals seized momentum, holding off the Wolverines for a 82-76 victory. (David E. Klutho/SI)
GALLERY: The 2013 NCAA Championship Game
Notre Dame and UConn face off in the National Semifinal game of the 2013 NCAA Division I Women’s Basketball Championship at the New Orleans Arena on Sunday. UConn prevailed 83-65. (Chris Graythen/Getty Images)
On this day in 1963, Pete Rose made his Major League debut. Rose, a switch hitter, is the all-time Major League leader in hits (4,256), games played (3,562), at-bats (14,053) and outs (10,328). (Heinz Kluetmeier/SI)
GALLERY: Classic Photos of Pete Rose
