Spurs' top draft pick Dylan Harper undergoes thumb surgery, aiming to recover for season opener on Oct. 22.

Dylan Harper, the San Antonio Spurs' second overall draft pick, had surgery to fix a partially torn ligament in his left thumb, suffered during a preseason workout. The team hopes he will recover in time for the season opener on October 22 against the Dallas Mavericks. Harper played in the summer league and is expected to be a key player for the Spurs this season.