As a senior at
Tallahassee Community College, Robertson was ranked as the nation's No. 2 junior college prospect at the shooting guard/small forward position. He played 31 games, producing 11.6 points, 4.7 rebounds and 2.1 assists per game. He also led the Eagles to the 2010 FCCAA Championship game and a 25-6 overall record being selected to the 2010 FCCAA All-Tournament Team. After two years at Tallahassee, Robertson was transferred to
South Florida. During his Junior year, he appeared in 33 games, averaging 8.3 points, 4.3 rebounds and 1.8 assists per game. At his final year at college, his numbers dropped, averaging 6.5 points and 4.3 rebounds in 36 games. ==Professional career==