Many former players and coaches held Pinkel in high esteem. Kevin Jairaj USA TODAY Sports

The unexpected resignation of Missouri head coach Gary Pinkel has caused quite a stir on social media outlets. Former players, coaches and others involved with football have taken to Twitter to voice their support and esteem for Pinkel.

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During his 15-season career, Pinkel has 117 victories. In the 25 years prior to Pinkel's arrival, Missouri combined for 116 victories. He's also led the Tigers to 10 bowl appearances.