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ST. LOUIS - Derrick Colter and Micah Mason scored 23 points each to lead Duquesne to a 78-67 win over Saint Louis at Chaifetz Arena.

The win, DU's fifth in its past six games, upped the Dukes' record to 15-7 overall and 5-4 in the Atlantic 10.

Saint Louis fell to 8-13 overall and 3-6 in conference play.

Duquesne missed 18 of its first 21 shots in falling behind 19-7 with nine minutes left in the first half. SLU led 21-12 when Duquesne head coach Jim Ferry was whistled for a technical foul following a bucket by the Billikens' Brett Jolly at the 6:00 mark. Jermaine Bishop missed both technical free throws and Jolly couldn't convert the potential three-point play.

The Dukes then got a pair of 3-pointers from Mason and four points each from Darius Lewis and Mar'Qywell Jackson to close the half with an 18-6 run to take a 30-27 lead.

DU was up 46-40 when Mason picked up his fourth foul and headed to the bench with 10:02 left. SLU quickly cut it to three before Colter - who scored 20 in the second half - took over. The senior guard hit a jumper and 3-pointer and found Eric James for an alley-oop dunk to make it 53-45.

The Dukes built the lead to 64-49 before the Billikens cut it to five with 2:44 to go. That's when Mason buried his fifth and final 3-pointer to put the Dukes up eight.

SLU made it 69-65 with 52 seconds left, but Mason and Colter combined to hit six free throws over the final 37 seconds to seal the win.

Duquesne, which shot 38.7 percent, was 9-of-26 from the 3-point arc. SLU shot 37.5 percent, including 9-of-23 from 3-point.

Saint Louis finished with 19 turnovers to 18 for Duquesne.

Jackson gave the Dukes a big boost off the bench with a career-high tying 10 points and a career-best 7 rebounds.

Lewis and TySean Powell added 9 rebounds apiece for the Dukes, who outrebounded SLU 43-36.

Duquesne is idle until Saturday, Feb. 6 when it hosts Davidson at 12:30 p.m. (ET) on NBCSN.

NOTES
• The win was Duquesne's fifth in the past six meetings with Saint Louis ... DU has won two of the past three at Chaifetz Arena.

• This is the first time since 2010-11 (7-0) that Duquesne will enter February with a winning conference record (5-4) ... DU's 15-7 overall record is the progam's best since the 2011 team opened 16-6.

• Mar'Qywell Jackson came off the bench to tie his career high with 10 points ... his 7 rebounds set a new career-best.

• This was the 113th career start for Derrick Colter ... only one player, Damian Saunders (116) has started more games in a Duquesne uniform... Colter, who finished with 23 points tied Kevin Price (1,485) for the No. 12 spot on DU's all-time scoring list ... this was the second consecutive game Colter scored 20 in the second half.

• Micah Mason, who scored his 1,000th career point on Dec. 16 vs. South Carolina State, is closing in on his 1,000th point at a Duke ... the senior guard, who transferred to Duquesne after scoring 162 points as a freshman at Drake has scored 999 in a Duquesne uniform .. his career total stands at 1,161.