Iona stretched the lead to 63-52 on a 6-0 run capped by Leland Norris's 3-pointer.
Behind by 30-22, Xavier went on a 10-0 run capped by Chalmers's 3-pointer from the right wing.
Los Angeles erased a 54-48 deficit by finishing off the second quarter with a 13-2 run capped by Scott's 3-pointer with 16.6 seconds left.
The team then put together a three match winning run, capped by a 2-0 win at champions VfB Stuttgart, to surge into the top six.
Dallas used a 10-4 fourth-quarter run, capped by Doug Smith's layup, to trail, 113-108, with 1:40 remaining.
But Illinois ended the half with a 9-2 run capped by Gill's 3-pointer at the buzzer for a 46-34 lead.
But the Pirates (6-4) closed to 56-45 with an 8-2 run capped by Gus Hill's 3-pointer with 13:29 remaining.
The Pacers opened the quarter with a 10-0 run capped by two baskets by Fleming.
But the Spurs answered with a 13-0 run capped by Antonio Daniels's 3-pointer that cut the deficit to 79-77 with 4:47 to play.
A 7-0 run, capped by Colter's two layups, reduced the margin to 72-70.