Los Angeles Lakers forward Pau Gasol has been playing through tendinitis in both knees, a condition that has influenced the four-time All-Star's output.
Rafael Nadal won't rush his return from a knee injury.
World record-holder David Rudisha made a winning return to competition, clocking a season's best 1 minute, 43.46 seconds in the 800 meters.
The Quick Step team says former world champion Tom Boonen will miss the Tour de France next month due to tendinitis around his left kneecap.
Sasha Cohen has withdrawn from this week's Skate America, the latest setback in the Olympic silver medalist's comeback.
Olympic silver medalist Sasha Cohen has withdrawn from the first Grand Prix figure skating event of the season because of tendinitis in her right calf.
Former world and U.S. champion Kimmie Meissner has withdrawn from her two Grand Prix events because of knee problems.
Sacramento Monarchs guard Kara Lawson will miss the remainder of the WNBA season with tendinitis in her right quadriceps muscle.
World record holder Asafa Powell won the 100 meters Tuesday with the fastest sprint in the world this year.
Asafa Powell, who shares the world record in the 100 meters, is training at full speed again and could return to competition in June after weeks on the sideline because of knee tendinitis.
World 100-meter record holder Asafa Powell could be out of competition for several weeks because of knee tendinitis.
Evan Lysacek, the top-ranked American figure skater, withdrew Thursday from the Grand Prix finals.
Lance Armstrong withdrew from Sunday's street race in San Francisco because of tendinitis in his right knee.
Guillermo Coria will skip the Athens Olympics because of a right shoulder injury, his trainer said Wednesday.
Finland's Kalle Palander won a World Cup slalom Sunday despite a cast on his arm, and Bode Miller again failed to finish.
Tim Montgomery withdrew from the 100 meters at the Prefontaine Classic because of Achilles' tendinitis.