ATLANTIC CITY, N.J. -- Freshman Akeem Richmond hit four 3-pointers early and Rhode Island kept its NCAA tournament hopes alive with its best defensive effort of the season in a 63-47 win over Saint Louis in the quarterfinals of the Atlantic 10 Conference tournament on Friday.
Mitchell had 12 of his 13 points in the 16-1 spurt that gave the fifth-seeded Rams (23-8) the lead for good.
Lamonte Ulmer added 12 of his 16 points in the second half for the Rams, whose previous defensive low was 57 in a season-opening win against Brown.
Rhode Island will play No. 17 Temple (27-5) in the semifinals on Saturday. The top-seeded and two-time defending champion Owls beat St. Bonaventure 69-51 earlier Friday.
Kwamain Mitchell had 18 points for fourth-seeded Saint Louis (20-11), which lost for the third time in 11 games.