Keep up with all the action from the first day of main draw play at the BNP Paribas Open with our live blog, sponsored by Tecnifibre.
Sock is first tennis player to ink endorsement pact with the new sports drink.
In his debut as IW tournament director, Haas hits ground running.
"He's a fighter," Hall of Famer says of Djokovic.
Team USA aims to derail defending Fed Cup champion with a Har-Tru track.
BNP Paribas Open live streams Federer practice on Facebook.
Cue Rocky theme for Sock entrance at MSG.
