Kelvin Sampson is quoted quite a bit in this article
https://www.si.com/college-football/2017/06/07/bob-stoops-oklahoma-coach-resigns-reaction
Sampson, now the head coach at Houston, reflected for a long time, complimenting Stoops for always being inclusive to he and the Sooner basketball program. When the Cubs invited Sampson and Stoops separately to sing during the seventh inning stretch one summer, Stoops called Sampson and suggested they do it together. With the help of a bit of “liquid courage,” Sampson recalled with a laugh that they belted out “Take Me Out To The Ballgame” while flashing the upside down horns symbol to the Texas fans at Wrigley Field that day. “I’ll always remember his loyalty,” Sampson said. “Boy, is he loyal and he was loyal to Oklahoma. If you were a Sooner, you were one of his guys.”