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.
James Demery scored 18 points and led five players in double-figure scoring as Saint Joseph's beat La Salle 78-70 on Saturday in a regular season finale.
Shavar Newkirk added 16 points for the Hawks (15-15, 10-8 Atlantic 10 Conference), Anthony Longpre had 11 points and Chris Clover and Nick Robinson had 10 apiece, with Robinson grabbing eight rebounds.
The Hawks closed out the regular season on a three-game streak and are currently fourth place in the conference standings.
Saint Joseph's led 39-33 at halftime but La Salle kept pace early in the second half, taking a 48-47 lead with 12:48 to play. The Hawks inched ahead again on back-to-back 3-pointers by Newkirk and Demery and Clover hit a layup, James Demery a dunk and Pierfrancesco Oliva a 3-pointer as part of an 11-6 run late that pushed it to 77-67 with 39 seconds to go.
Pookie Powell scored 26 points with nine rebounds and six assists to lead the Explorers (13-18, 7-10).
B.J. Johnson made his final start at home memorable, pumping in 27 points to lead La Salle to a 71-53 frolic over Dayton in the penultimate Atlantic 10 Conference game of the regular season Wednesday night.
The loss knocked the Flyers out of a tie with Richmond for the No. 8 seed and into a tie for the No. 9 seed with George Washington, Duquesne and LaSalle.
The Explorers honored four seniors in their final home game and each played a key role in the win. Tony Washington scored 14 points, Johnnie Shuler dished 11 assists and Amar Stukes added seven assists and made four steals.
La Salle (13-17, 7-10) took a 10-point lead in the first half, holding a 33-23 advantage at intermission, then opened the second half with a 13-5 run.
Trey Landers scored 17 points and grabbed 10 rebounds to lead Dayton (13-16, 7-10), with Josh Cunningham and Jalen Crutcher each adding another 10 points.