WASHINGTON -- C.J. Anderson scored 21 points and Massachusetts held off La Salle 69-67 on Wednesday night in the first round of the Atlantic 10 Conference Tournament.
No. 13 seed UMass (13-19) will face fifth-seeded George Mason (15-16) in a Thursday quarterfinal.
Pookie Powell's 3-point play gave La Salle its last lead, 62-61, before UMass pushed ahead to 68-67 with 44 seconds to play. La Salle's B.J. Johnson blocked Unique McLean's jumper with 14 seconds remaining, but Powell missed a jumper and a 3-pointer in the final eight seconds.
Luwane Pipkins added 15 points, Malik Hines had 14 and Carl Pierre 11 for the Minutemen. Anderson and Pipkens both shot 4 of 7 from long range.
Tony Washington scored 20 points to lead No. 12 seed La Salle (13-19). Johnson and Powell chipped in 18 points apiece.
Isiah Deas had a career-high 31 points as La Salle topped Morgan State 85-68 on Saturday.
David Beatty had 18 points for La Salle (6-3). Sherif Kenney added nine points and seven rebounds. Christian Ray had seven rebounds for the hosts.
Troy Baxter Jr. had 15 points for the Bears (4-8). Stanley Davis added 14 points. Isaiah Burke had 12 points and six rebounds.
La Salle faces Wagner at home on Wednesday. Morgan State plays Chestnut Hill at home on Monday.
David Beatty had 14 points to lead five La Salle players in double figures as the Explorers defeated Drexel 71-63 on Saturday.
Saul Phiri added 12 points for the Explorers, Scott Spencer chipped in 11 with seven rebounds and Ayinde Hikim and Ed Croswell each scored 10
Isiah Deas, the Explorers' second leading scorer heading into the contest at nine points per game, was just 1-of-9 shooting.
Zach Walton had 19 points and eight rebounds for the Dragons (5-5). James Butler added 17 points and 12 rebounds. Camren Wynter had 11 points and six rebounds.
La Salle (5-3) matches up against Morgan State at home next Saturday. Drexel takes on South Florida on the road next Sunday.