The victory put the Tigers into the title game of the Puerto Rico Tip-Off Classic, where they will meet Xavier Sunday.
The Pirates (3-1) played Memphis on even terms for the game's first five minutes before the Tigers took control with a 13-3 run. Memphis built a 16-point halftime lead and had as much as a 23-point advantage in the second period.
Seton Hall reached the semifinals by upsetting No. 20 USC Thursday.
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