The winners of last week’s big events around the world - Robert Garrigus, Adam Scott, Stuart Appleby, In-Kyung Kim and Ryo Ishikawa - used five different makes of driver.

Padraig Harrington is one of three big names changing equipment companies as the new year begins on the PGA Tour. 

Reigning Fed-Ex Cup champion Vijay Singh, a long-time Titleist Pro V1 golf ball player, has signed a multi-year contract to play Srixon’s new Z-Star golf ball.  Singh also has re-signed with Srixon's sister company, Cleveland Golf, to continue to play its equipment.

Stuart Appleby, who spent the past several years with Bridgestone Golf, is moving to Callaway Golf Company (NYSE: ELY) and Harrington, the  2008 PGA Tour Player of the Year,  has signed to wear FootJoy shoes.