Porter scored all of his points in the second half on five 3-pointers.
During his time at Motherwell, Porter scored 27 goals in 65 games in all competitions.
Porter scored 9 points in that run, and Harvey had 5.
Drexler scored 11 points and had two steals, while Porter scored 9 and had 3 steals in the quarter.
Drexler had 23 points and a career playoff-high 15 assists and Porter scored 22.
Porter scored 22 points and Drexler, playing despite a sprained right toe, finished with 22 points, 9 rebounds and 8 assists.
Porter scored 20 points and Jerome Kersey had 16 points, 12 rebounds and 8 assists for the Blazers.
Porter scored on a 3-point play to open the second half, and St. John's never looked back.
Porter scored 23 points in the first half and fueled an 8-0 run shortly after halftime to help No. 19 Auburn (11-0) pull away.
Porter scored 19 of his 24 points in the second half and Ainge scored 9 of his 17 points in overtime.