China's Li Na eyes the ball during her match against Switzerland's Martina Hingis at the Australian Open tennis tournament in Melbourne in this January 22, 2007 file photo. (REUTERS/Petar Kujundzic/Files)

Li Na announces retirement

China's Li Na, Asia's only grand slam singles champion, announced her retirement from tennis on Friday, citing the effect of long-term injuries, especially her knees.

Minnesota Vikings wide receiver Jerome Simpson (81) runs between Pittsburgh Steelers cornerback Cortez Allen (28) and safety Robert Golden (21) during the NFL International Series game at Wembley Stadium. (Bob Martin-USA TODAY Sports)

Vikings release WR Simpson

Suspended Vikings wide receiver Jerome Simpson is scheduled to be eligible to be reinstated following Week 3. But now, his future might be in limbo following the revelation he was cited by police in July for having marijuana and an open bottle of alcohol in his car while driving on a restricted driver's license.

Detectives in Phoenix arrested Cardinals running back Jonathan Dwyer Sept. 17, 2014 on charges of aggravated assault in connection with two alleged incidents of domestic violence in late July. (Reuters/Maricopa County Sheriff's Office/Handout)

Police: Dwyer head-butted wife, hit son

Late Wednesday, the Arizona Cardinals deactivated running back Jonathan Dwyer after he had been arrested earlier in the day on charges of aggravated assault stemming from two alleged domestic violence incidents involving his wife and son.

Brendan Smith of the Detroit Red Wings pulls down Ryan Johansen of the Columbus Blue Jackets on March 9, 2013 at Nationwide Arena.. (Kirk Irwin/Getty Images/AFP)

Davidson unleashes on Johansen, agent

While the Columbus Blue Jackets and Ryan Johansen lock horns in contract negotiations, team president John Davidson has come out swinging against his top centre’s agent, Kurt Overhardt.

Blue Jays pitcher Marcus Stroman. (Veronica Henri/Toronto Sun)

Stroman suspended six games

Marcus Stroman got his knuckles rapped by Major League Baseball on Wednesday as they suspended the rookie starter for six games for intentionally throwing at Baltimore catcher Caleb Joseph in Monday’s game.

Former Ravens running back Ray Rice is appealing his indefinite suspension for domestic violence. (Evan Habeeb/USA TODAY Sports/Files)

Rice appeals indefinite suspension

Ray Rice on Tuesday appealed his indefinite suspension by the National Football League for a one-punch knockout of his wife as the former Baltimore Ravens running back tries to resuscitate his once-flourishing career.