Texas Tech Coach Kliff Kingsbury -- Wrestling Stunt Fired Up Team ... And Then We Kicked Ass

Texas Tech head football coach Kliff Kingsbury says the wrestling match starring his coaches FIRED UP his players so much they had one of their best practices ever ... before DOMINATING their 1st game.

TMZ Sports talked to Kingsbury about the AWESOME VIRAL video ... showing Texas Tech asst. coach Adam Hymel (as John Cena) and strength coach Scott Salwasswer (as The Miz) ... in a no-holds barred contest.

Kliff touches it all ... from why, to the question everyone wants to know ... was that table real?!

Check out the clips!