Stepheson, 28, has appeared in two games with the Clippers scoring two points, grabbing two rebounds and recording one block in nine minutes.
The 6-foot-10 inch forward/center appeared in 31 games (all starts) for the Iowa Energy in the NBA Developmental League this season and was a 2016 D-League All-Star, averaging 15.9 points, a league-high 13.8 rebounds and 1.3 blocks.
The Los Angeles native and former Harvard-Westlake star has played professionally in Greece, Slovenia and Turkey since finishing his collegiate career at the University of Southern California.
Stepheson averaged 12.3 points and a league-leading 9.2 rebounds in 26.8 minutes over 29 games (21 starts) during the 2014-15 season for Istanbul Buyuksehir Belediyesi.
Undrafted in the 2011 NBA Draft, Stepheson also made three appearances for the Dallas Mavericks during the 2015 NBA Summer League in Las Vegas.