As a junior in 2003–04, he averaged a near double-double with 19.8 points and 9.4 rebounds per game, becoming the first player in Washington High School history to eclipse the 1,000-point career mark.

He participated in the Nike All-America camps in 2003 and 2004, and was a member of the USA North Team that captured the silver medal at the 2004 Men's Youth Development Festival.

[3] On November 10, 2004, Zeller signed a National Letter of Intent to play college basketball for the University of Notre Dame.

[3] As senior in 2004–05, Zeller averaged 19.6 points, 8.9 rebounds and 4.0 assists per game while leading his team to a 27–2 record and the Indiana Class 3A state championship.

The three-time team captain and two-time MVP became the only player in Washington High School history to be selected all-conference four times.

[4] In August 2007, Zeller travelled with Athletes in Action to Australia[10] where he played in eight exhibition games and averaged 11.3 points and 6.6 rebounds while netting double figures in five of those contests.

[4] As a junior in 2007–08, Zeller earned the Notre Dame Most Improved Player Award after averaging 4.5 points and 2.2 rebounds coming off the bench in all 33 contests.

[4] Zeller had a career outing against USC Upstate in the season opener as he came off the bench in 19 minutes of action to score a career-high 18 points on 6-of-7 from the field and was 4-of-6 from three-point range.

[11] On November 24, 2008, he recorded his first career double-double in win over Indiana at the EA Sports Maui Invitational as he finished with 10 points and a career-high 11 rebounds.

[19] 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.