Jennings was playing for the Grand Rapids Drive as part of a rehab assignment. He tore his left Achilles on Jan. 24, and played in his first basketball game since the injury Saturday.
Jennings, a former 10th overall pick, was thriving for the the Pistons under coach Stan Van Gundy last season. The guard was averaging 15.4 points in just under 29 minutes per game before sustaining his injury.
The Pistons’ next game is on Tuesday against the Miami Heat.