As a junior in 2004–05, he averaged 20.4 points and 11.6 rebounds per game, helping McDonogh to a 23–6 record and to the MIAA A Conference final and a No.

[2] As a senior in 2005–06, he averaged 29.2 points, 11.0 rebounds, 4.0 assists, 2.0 steals and 3.0 blocks per game, leading McDonogh to a 19–6 overall record.

[3] In his freshman season at Georgetown, Summers was named to the 2007 Big East All-Rookie team.

[2] In his sophomore season, he was a second team All-District 4 selection by the National Association of Basketball Coaches.

[4] On March 30, 2009, he declared for the NBA draft, foregoing his final year of college eligibility.

[18] On July 31, 2013, Summers signed a one-year deal with Budivelnyk Kyiv of the Ukrainian Basketball SuperLeague.

[19] He sent his family home from Kyiv due to political unrest in Ukraine, but stayed to finish the season.

[26] The following day, he was ruled out for the rest of the season with a left Achilles tendon injury, an injury he suffered on November 20 in the final two minutes of the team's win over the Sioux Falls Skyforce[27] and was waived on November 24.

[31] Summers later joined Shimane Susanoo Magic, averaging 17.4 points, 8.0 rebounds, 1.3 assists and 1.1 steals per game.

On October 11, 2020, he signed with Indios de Mayagüez of the Baloncesto Superior Nacional (BSN).