From CUSA site...
RIVALRY RENEWED
When SMU and Rice play this Saturday it will be the 88th meeting between the two Texas schools and former SWC rivals, making it the most-played rivalry in Conference USA. Four of the five longest rivalries in C-USA take place over the next three weeks. The fifth-longest was renewed last week when Houston defeated Tulane. Here's a look at the longest-running rivalries in C-USA:
MOST PLAYED SERIES
87 Rice-SMU (SMU 46, Rice, 40, 1 tie)
60 USM-MEM (Southern Miss 38, Memphis 21, 1 tie)
36 TUL-HOU (Houston 21, Tulane 15)
36 HOU-Rice (Houston 26, Rice 10)
35 USM-ECU (Southern Miss 26, East Carolina 9)