In this Feb. 28, 2015, file photo, San Antonio Spurs forward Tim Duncan, left, and head coach Gregg Popovich chat on the bench during the first quarter of an NBA basketball game against the Phoenix Suns in Phoenix. They were joined at the hip for 19 years, a player and coach combination that enjoyed more wins than any in NBA history.
In this Feb. 28, 2015, file photo, San Antonio Spurs forward Tim Duncan, left, and head coach Gregg Popovich chat on the bench during the first quarter of an NBA basketball game against the Phoenix Suns in Phoenix. They were joined at the hip for 19 years, a player and coach combination that enjoyed more wins than any in NBA history. Rick Scuteri Associated Press
In this Feb. 28, 2015, file photo, San Antonio Spurs forward Tim Duncan, left, and head coach Gregg Popovich chat on the bench during the first quarter of an NBA basketball game against the Phoenix Suns in Phoenix. They were joined at the hip for 19 years, a player and coach combination that enjoyed more wins than any in NBA history. Rick Scuteri Associated Press