The Memphis Grizzlies have agreed to terms with Zach Randolph on a four-year, $71 million contract extension that keeps him with the club through 2015, sources told ESPN The Magazine’s Chris Broussard.

Of the $71 million, $66 million is fully guaranteed and the fourth and final year of the deal is a player option, sources said. Randolph has incentives based on individual and team achievements of $1.3 million each season, according to sources.

The extension comes after the Randolph led the Grizzlies to their first playoff victory in 13 tries.