Leading Off: Pictures of the Week

Leading Off: Pictures of the Week

Nathaniel S. Butler/NBAE via Getty Images

Reggie Evans of the Brooklyn Nets and Carlos Boozer of the Chicago Bulls stretch for a rebound as the Bulls clinched the quarterfinal series with a 99-93 win on May 4.

Isaac Brekken/AP

Floyd Mayweather Jr. lands a left jab on Robert Guerrero in the fourth round of their WBC welterweight title fight on May 4.

Greg McWilliams/AP{

NASCAR's Sprint Cup Series Aaron's 499 race at Talladega Superspeedway on May 5 saw a dramatic collision as Brad Keselowski drove through a wreck involving Jamie McMurray (1), Kurt Busch (78) and Ryan Newman (39).

Heinz Kluetmeier/SI

Orb and his jockey Joel Rosario came from behind to claim victory by 2 ½ lengths at the 139th running of the Kentucky Derby at Churchill Downs on May 4.

Heinz Kluetmeier/SI

It was a popular result for the crowd of 151,616, which put enough late money on Orb to make him the 5-1 favorite by the time he held off 34-1 shot Golden Soul.

Damian Strohmeyer/SI

Celtics forward Paul Pierce heaves the ball toward the hoop in Boston's 88-80 May 3rd loss to the Knicks in Game 7 of the Eastern Conference quarterfinals that saw New York through to the next round.

Minas Panagiotakis/Icon SMI

A fiercely physical game between the Ottawa Senators and the Montreal Canadiens not only saw a bloodied Lars Eller rushed off the ice, but also this hit from the Senators' Chris Phillips on Brendan Gallagher that took the net off.

Nam Y. Huh/AP

The Padres' Everth Cabrera got enough on this pitch to break his bat, but not enough to avoid going out at first in San Diego's 6-2 loss to the Chicago Cubs on May 1.

John Korduner/Icon SMI

Florida Gators infielder Josh Tobias beats the ball home to score a game-tying run in the 6th inning of a game at the LSU Tigers on May 2, but a winning run from LSU in the 7th would sink the Gators 3-2.

Nathaniel S. Butler/NBAE via Getty Images

Joakim Noah of the Bulls is helpless to stop this dunk from the Nets' Gerard Wallace, but Wallace was helpless to get his team past Game 7 as Brooklyn fell in the final game of their conference quarterfinal series.

Ronald Martinez/Getty Images

Marc Gasol of the Memphis Grizzlies drives to the basket against Reggie Jackson (left) and Kendrick Perkins of the Oklahoma City Thunder during OKC's 93-91 Game 1 victory to kick off the Western Conference semifinals on May 5.

Kevin C. Cox/Getty Images

Bryce Harper's reach wasn't quite enough to stop a solo home run from the Atlanta Braves' Tim Hudson as Atlanta ran away with an 8-1 victory over the Washington Nationals on May 1.

Al Bello/Getty Images

Abner Mares delivers a fierce right to the face of Daniel Ponce de Leon, winning their WBC featherweight title bout at the MGM Grand Garden Arena on May 4 by technical knockout.

Nam Y. Huh/AP

Two Reds couldn't do the job as second baseman Brandon Phillips (left) and center fielder Shin-Soo Choo both fail to make a catch on a two-run double hit by the Chicago Cubs' Alfonso Soriano in the fifth inning of Cincinnati's 7-4 win on May 5.

Alex Brandon/AP

Rangers defenseman Ryan McDonagh (27) leaves Capitals left wing Alex Ovechkin on the wall, taking the puck from him in New York's 3-1 loss to open the teams' conference quarterfinal series.

Miguel Angel Morenatti/AP

Ahead of the May 5 Spanish Motorcycle Grand Prix, MotoGP rider Jorge Lorenzo enjoyed the Saturday sun with a practice session at the track in Jerez, Spain.