Sources: Tim Duncan exercises final-year option on contract

Adrian Wojnarowski
The Vertical
10ThingstoSeeSports - San Antonio Spurs forward Tim Duncan (21) celebrates after Game 5 of the NBA basketball finals against the Miami Heat on Sunday, June 15, 2014, in San Antonio. The Spurs won the NBA championship 104-87. (AP Photo/David J. Phillip, File)

San Antonio Spurs star Tim Duncan has decided to exercise the final-year option on his contract worth $10.3 million, league sources told Yahoo Sports.

Duncan will revisit his future with the Spurs next summer.

Duncan, 38, won his fifth championship with the Spurs this month, and once again played at a high level for the Spurs, averaging 15.1 points, 9.7 rebounds and three assists.

Duncan has had a decorated career in San Antonio: a 14-time All-Star, three-time NBA Finals MVP and two-time NBA MVP.