7 || 14.6 || .396 || .342 || .615 || 2.8 || .6 || .2 || .2 || 4.9 |- | style="text-align:center;" colspan="2"|Career | 128 || 32 || 13.2 || .417 || .360 || .574 || 2.5 || .6 || .2 || .3 || 4.2 |- Professional career 2009–10 season After going undrafted in the 2009 NBA draft, Zeller joined the Chicago Bulls for the 2009 NBA Summer League where he averaged 3.0 points and 2.3 rebounds in four games. On July 31, 2009, he signed a one-year deal with the Shiga Lakestars of the Japanese bj league. In 50 games for Shiga in 2009–10, he averaged 8.2 points and 7.2 rebounds per game. 2010–11 season On September 22, 2010, Zeller signed a one-year deal with Naglis-Adakris of the Lithuanian Basketball League. However, he was released by the club on October 24 after appearing in six games. On November 1, he was selected by the Iowa Energy in the second round of the 2010 NBA Development League Draft. A week later, he was traded to the Bakersfield Jam. In 52 games for the Jam in 2010–11, he averaged 6.8 points, 4.5 rebounds and 1.3 assists per game. 2011–12 season On November 1, 2011, Zeller was acquired by the Austin Toros in a trade with the Bakersfield Jam. On December 9, he signed with the San Antonio Spurs. However, he was later waived by the team on December 24 after appearing in one preseason game, one day prior to the start of the 2011–12 NBA season. He subsequently returned to the Toros, the Spurs' D-League affiliate team, and played out the 2011–12 season. In 33 games for the Toros, he averaged 8.2 points, 5.0 rebounds and 1.0 assists per game, helping Austin win the 2012 D-League championship. 2012–13 season In July 2012, Zeller joined the San Antonio Spurs for the 2012 NBA Summer League where he averaged 6.7 points and 2.3 rebounds in three games. On September 28, 2012, he signed a partially guaranteed, two-year minimum salary contract with the Phoenix Suns. On October 25, he was named in the Suns' opening-night roster. He made his NBA debut on November 4, recording no stats in just under three minutes of action against the Orlando Magic. The following night, he scored a season-high 7 points in a loss to the Miami Heat. On November 27, he played against the Cleveland Cavaliers and