Juan Manuel Marquez (left) celebrates after knocking out Manny Pacquiao in the sixth round of the fourth match in their epic head-to-head series Saturday night in Las Vegas.
 

Belgium's Kim Clijsters holds a giant racket as she greets her supporters after winning an exhibition match against Venus Williams in Antwerp, Belgium on Wednesday. The four-time Grand Slam champion retired from tennis at the US Open in September, but wanted to thank her fans with a ceremonial farewell match.
 

Michigan players celebrate after beating Michigan State during the regional semifinals of the NCAA women's college volleyball tournament in Berkeley, Calif.
 

Mihail Alexandrov of the US competes in the men's 100 meters breaststroke during the FINA Short Course Swimming World Championships in Istanbul.

Wes Stevenson of Lubbock, Texas rides Freckled Doll in the bareback riding competition during the first night of the National Finals Rodeo in Las Vegas.

. . . must come down. Tennessee Titans running back Chris Johnson (No. 28) is tackled by Indianapolis Colts defender Vontae Davis on Sunday as the Colts pulled off an improbable comeback victory.
 

Benson Henderson (left) delivers a kick to Nate Diaz's noggin during the fifth round of a lightweight championship bout at UFC on FOX on Saturday. Henderson won by unanimous decision to retain his championship.
 

Texas A&M quarterback Johnny Manziel revels in being named the first freshman to win the Heisman Trophy.
 

Parkview Baptist's Hezekiah Randolph (No. 1) is tackled by Notre Dame defensive back Clint Faul (No. 10) in the first half of an LHSAA high school class 3A state championship football game in New Orleans.

Charlotte Bobcats' Gerald Henderson (top) sails high as he tries to block a shot by San Antonio Spurs' Manu Ginobili in the second half. Despite the big air, the Spurs won 132-102.

The NHL lockout is still going on, but the AHL is playing. Here Brett Gallant (No. 44) of the Bridgeport Sound Tigers battles for possession of the puck against Cory Conacher of the Syracuse Crunch in Bridgeport, Connecticut.

The end of the Manchester Derby saw Rio Ferdinand of Manchester United (red jersey) get hit with a coin thrown from the stands, a pitch invader get held off by the Manchester City goalie and a thrilling finish in the 3-2 ManU victory.
 

Herschelle Gibbs and Shaun Marsh of the Scorchers run onto the field during the Big Bash League match between the Perth Scorchers and Adelaide Strikers in Perth, Australia.

Kai Otton pin drops from the top of a wave during Round 3 of the Billabong Pipe Masters in North Shore, Hawaii.

Daniel Pervis competes in the men's rings event during the Glasgow World Cup Gymnastics.

Dan Woolhouse competes in the Red Bull Drift Shifters along Victoria Street in Auckland, New Zealand.

Caroline Wozniacki caused a bit of a firestorm with her impression of Serena Williams during an exhibition in Brazil.

David Wilson celebrates his third touchdown of the game as his New York Giants blew out the Saints at MetLife Stadium. He finished with a team-record 327 all-purpose yards.
 

Rodeo champ Trevor Brazile watches his daughter, Style, rope an alligator during the Wrangler National Finals Rodeo Cowboy Fanfest in Las Vegas.