The former World No.1 could return to the tour by the end of the summer.
Pair will receive a $100,000 grant as they transition from college into the pros.
The World No.2 announces his withdrawal from the Miami Open, and joins World No.1 on the sidelines with an injury.
Keep up with all the action from Sunday's men's and women's singles finals in the Live Blog, sponsored by Tecnifibre.
The World No.1 has pulled out of the Miami Open with an elbow injury. Reportedly, Novak Djokovic has similar issues.
Keep up with all the action from today's men's semifinals by following the BNP Paribas Open Live Blog, sponsored by Tecnifibre.
Keep up with men's quarterfinal and women's semifinal action from the BNP Paribas Open, with our live blog sponsored by Tecnifibre.