Following his incredible 2013 season that saw him win both the FedEx Cup and the Race to Dubai, Stenson signed a full bag deal with Callaway. Previously, he used a mixed bag of clubs.
2 of 10Sam Greenwood/Getty Images
Lydia Ko signed a new endorsement deal with Callaway to start the 2014 season. Despite having won four pro events, Ko, 16, only turned pro in late October, so this is the first major endorsement deal for the young phenom.
3 of 10David Paul Morris/Getty Images
2012 British Open champion Ernie Els left Callaway and signed a new deal with Adams.
4 of 10Tom Pennington/Getty Images
Three-time major champion Vijay Singh joined the Hopkins Golf staff and will wear a Hopkins visor, carry a Hopkins bag and play Hopkins wedges.
5 of 10David Cannon/Getty Images
Young Italian star Matteo Manassero signed with Callaway after playing a mixed bag that included some Callaway clubs last season.
6 of 10Robert Prezioso/Getty Images
Choi is known as a frequent equipment tinkerer and plays with a mixed bag. Choi signed a deal in the off-season with Srixon to play Srixon balls, wear a Srixon glove and carry a Srixon staff bag.
7 of 10Sam Greenwood/Getty Images
English played Ping clubs last year on his way to winning twice on Tour, but the young star inked a new deal with Callaway in the off-season.
8 of 10Wally Santana/AP
The former women's world No. 1, Tseng also signed a new deal with Callaway following a down year on the LPGA Tour.
9 of 10Sam Greenwood/Getty Images
Already wearing Puma apparel on the fairways on Tour, Blixt furthered his relationship with Cobra-Puma by agreeing to a deal that will have him play Cobra woods and wedges.
10 of 10Scott Halleran/Getty Images
A five-time PGA Tour winner, Byrd switched from Mizuno to Callaway.
Other players signing with Callaway for 2014 include Pat Perez, John Rollins, Matt Every, Kiradech Aphibarnrat, Chris Doak, Richard Lee, Jack Doherty, Thomas Pieters, James Erkenbeck and Chase Seiffert.
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