At a time when athletes and pro sports are under more scrutiny than ever regarding performance enhancers, WTA's deal with USANA passes muster. MORE

New year, same battle: Nike and adidas are among the companies vying for attention via marketing activation surrounding the Australian Open. MORE

Copy cat: Xerox is in, Canon is out as exclusive category marketing partner in multi-year alliance with the U.S. Open. MORE

Marketing, sponsorship and player activation for the final 2010 Grand Slam. MORE

FedEx eyes net results in global, multi-year deal that begins in November at the ATP World Tour Finals in London. MORE

Nike signs on to become the first corporate sponsor of the John McEnroe Tennis Academy on Randall's Island in New York. MORE

In addition to the traditional TV, print, Internet and radio, Tennis Channel has French cuisine on the menu of its French Open marketing. MORE

Automaker Mercedes-Benz extends its alliance with Roger Federer from China to encompass global marketing. MORE

With Federer, Nadal, the Williams sisters and Oudin on hand and $50 million in activation, the Australian Open will set the stage for 2010. MORE

Tennis legend Steffi Graf steps off the court and into the health and fitness arena as spokeswoman for a 'Win a Wellness Weekend' for Teekanne Tea. MORE

Footwear and apparel company K-Swiss signed young American tennis star Sam Querrey to a multi-year deal beginning Jan. 1, 2010. MORE

Teen tennis star Melanie Oudin will help to launch Tennis Channel's online Player's Lounge when she answers questions submitted by fans. MORE

Players, marketers such as Nike, adidas and Fila fashion competition at 2009 U.S. Open. MORE

Caroline Wozniacki, ranked No. 8 on the WTA Tour, didn't make it to the Sweet 16 at the L.A. Tennis Championships, but she scored a deal with adidas that will launch at the U.S. Open. MORE

Serena Williams, Tiger Woods, Michael Jordan and Pete Sampras are among the athletes who congratulate Roger Federer in a new Nike spot on his record 15th Grand Slam title. MORE

U.K. grand slam event is without Nadal, but still has plenty of marketing and player clout. MORE

Sony Ericcson WTA Tour plans for net gains with relaunched Web site that includes enhanced elements and increased interaction with players, fans. MORE

Advanta World Team Tennis, which plays this July with such stars as Andre Agassi, Venus Williams, Maria Sharapova, Serena Williams, John McEnroe and Anna Kournikova, will play its 2009 championship in the nation's capital.  MORE

After being out seven months with a shoulder injury, Maria Sharapova returned to the WTA Tour to play doubles at the BNP Paribas Open at Indian Wells, Calif., and Nike, Canon and others were happy. MORE

Tennis star Maria Sharapova will be featured in a multi-media campaign to support Cole Haan's 2009 spring collection. MORE