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.
Saint Joseph's sophomore forward Charlie Brown, a 2017 preseason All-Atlantic 10 third-team selection, is expected to be sidelined a few weeks with a broken left wrist.
Brown underwent surgery Tuesday to repair the injury, which occurred in practice last week.
St. Joe's opens its season at Toledo on Nov. 11.
Brown was impressive in his freshman year, earning Atlantic-10 All-Rookie team honors after averaging 12.8 points and five rebounds while starting 30 of 31 games.
He also shot 38.4 percent from the three and 81.9 percent from the free-throw line.
St. Joe's is headed to the West Coast for Thanksgiving.
The Hawks will, for the first time, participate in the Wooden Legacy at Cal State Fullerton from Nov. 23-26. They open the tournament against Washington State and then play either Harvard or Saint Mary's the next day. Cal State Fullerton, Georgia, Sacramento State and San Diego State are the other teams in the tourney.
On Dec. 2, St. Joe's hosts Villanova, a week before visiting Temple.
Phil Martelli's team also travels to Mohegan Sun Arena in Connecticut to face St. John's on Dec. 20.
Here's a look at Saint Joseph's full non-conference schedule, released Thursday:
Nov. 11: at Toledo
Nov. 18: Princeton
Nov. 23: vs. Washington State*
Nov. 24: vs. Harvard/Saint Mary's*
Nov. 26: TBA*
Nov. 29: Bucknell
Dec. 2: Villanova
Dec. 9: at Temple
Dec. 17: Maine
Dec. 20: vs. St. John's (in Connecticut)
Jan. 27: at Penn (Palestra)
*Wooden Legacy tournament in California