From the Timberwolves site:
The Minnesota Timberwolves announced Monday that the team has recalled first-year center Chris Richard from the Sioux Falls Skyforce of the NBA Development League. Richard appeared in six games for the Skyforce, averaging 10.2 points and 11.5 rebounds in 28.3 minutes per game.
He led the team in rebounds in three of six contests, while helping them to a 4-2 record in that span. Before heading to Sioux Falls, Richard appeared in 24 games for the Wolves, averaging 1.3 points and 1.9 rebounds in 9.2 minutes per game.