(AP) — The Memphis Grizzlies needed three overtimes to knock off the defending NBA champs and continue their winning streak.

Marc Gasol scored 26 points and the Grizzlies picked up their sixth straight win by downing San Antonio 117-116. The Grizzlies coughed up a 23-point lead and trailed by three until Gasol banked in a 3-pointer as regulation expired.

Zach Randolph had 21 points and 21 rebounds as the Grizzlies improved to 21-4, the second-best mark in the NBA.