in the
2007 Big East tournament finals. Wallace was originally recruited by Georgetown Head Coach
John Thompson III when he was still coaching at
Princeton University. In his freshman year, he averaged 6.5 points, 2.2 assists, 2.1 rebounds, and 1.2 steals during 30.4 minutes. In his sophomore year, Wallace improved to 8.6 points, 3.2 assists, 2.3 rebounds, and 1.0 steals during 31.1 minutes. In his junior year, Wallace was the starting point guard and led the team, along with highly touted juniors
Roy Hibbert and
Jeff Green, to the Final Four of the NCAA tournament, before losing to
Ohio State. Wallace finished the season averaging 11.4 points, 3.1 assists, 2.7 rebounds, and .8 steals during 32.2 minutes, and shot an exceptional 49% from three-point range. He gained national attention in an Elite Eight matchup with UNC after hitting a three-pointer with 31 seconds left to tie the game. The Hoyas went on to win the game in overtime. Wallace, whom Roy Hibbert nicknamed "Little Buddy", was on the 2007 pre-season All-Big East first team. As a senior in 2007–08, he averaged 10.7 points and 2.6 assists in 34 games. == Professional career ==