Leading Off: Pictures of the Week

Serge Ibaka of the Oklahoma City Thunder rejects Tony Allen of the Memphis Grizzlies during Game 7 of their opening-round playoff series.

Brian Scott (2) and Brendan Gaughan (62) collide near Turn 4 during the NASCAR Aaron's 312 Nationwide series auto race at Talladega Superspeedway.

DeAndre Jordan of the Los Angeles Clippers finishes a flush against the Golden State Warriors in Game 7 of their opening-round playoff series.

Floyd Mayweather Jr. lands a right on the chin of Marcos Maidana in their WBC-WBA welterweight title fight in Las Vegas.

Two surfers ride a wave near Fort Point below the Golden Gate Bridge in San Francisco.

Kevin Durant, Tony Allen, Marc Gasol and Serge Ibaka battle for a rebound during Game 7 of the Memphis Grizzlies-Oklahoma City Thunder first-round series.

Atlanta's Jeff Teague puts up a shot against Paul George of the Indiana Pacers during Game 7 of their first-round series.

Brooklyn Nets guard Joe Johnson skies for a shot against the Toronto Raptors in Game 7 of their first-round series.

Horses round a turn at the Kentucky Derby. Eventual winner California Chrome sits by the rail in third place.

The Kentucky Derby pack fights for position.

California Chrome leads the pack.

California Chrome and jockey Victor Espinoza pull away.

Another view of the Derby pack.

Anze Kopitar of the Los Angeles Kings introduces Cam Fowler of the Anaheim Ducks to the boards in Game 1 of their second-round series.

Real Salt Lake midfielder Kyle Beckerman, left, heads the ball against Chicago Fire forward Juan Luis Anangono as Mike Magee looks on.

San Antonio Spurs guard Manu Ginobili draws a foul from Wayne Ellington of the Dallas Mavericks during Game 7 of their opening-round playoff series.

Miguel Montero (26) of the Arizona Diamondbacks is congratulated by teammates after hitting a walk off solo home-run against the Colorado Rockies. Arizona won 5-4 in 10 innings.

Li Na from China serves during a Madrid Open tennis tournament match against Kirsten Flipkens from Belgium.

Matt Beleskey (39) of the Anaheim Ducks and Kyle Clifford of the Los Angeles Kings fight for the puck in front of goal in Game 1 of the second round of the Stanley Cup playoffs.

St. Louis Cardinals outfielder Randal Grichuk fails to corral a deep fly off the bat of Chicago Cubs catcher Welington Castillo.

Starlin Castro, left, and Junior Lake celebrate after the Chicago Cubs defeated the St. Louis Cardinals 3-0.

Dorina Korsos (11) of Hungary's Gyori Audi ETO KC scores against goalkeeper Clara Woltering of Montenegro's RK Buducnost. Gyori won 27-21 to capture the European Handball championship.

Hungary's Heidi Loke (5) shoots against Kinga Byzdra (89) of Montenegro's RK Buducnost in the final game.