Sonny Jack Cumbie (born August 8, 1981) is an American football coach and former quarterback who is currently the head coach at Louisiana Tech University. He previously served as the offensive coordinator and quarterbacks coach at Texas Tech University and was the interim head coach after the departure of Matt Wells in 2021. He also previously served as the offensive coordinator and quarterbacks coach at Texas Christian University (TCU). Cumbie played college football at Texas Tech and was their starting quarterback during the 2004 season, when he led the nation in passing and total offense, a guided the Red Raiders to win in the 2004 Holiday Bowl, earning MVP honors for the game. Cumbie played professionally in the Arena Football League, the Indoor Football League, and briefly in the National Football League (NFL). High school career Cumbie attended Snyder High School in Snyder, Texas, and was a three-sport letterman in football, basketball, and baseball. In football, as a senior, he won first team All-District honors, Honorable Mention All-South Plains honors, and was named the District MVP He was coached by David Baugh, the son of quarterback Sammy Baugh. In basketball, he won All-District honors and All-Big Country honors. In baseball, he was named the District MVP as a senior. Cumbie graduated from Snyder High School in 2000. He received scholarship offers from Tarleton State University and West Texas A&M University. Cumbie declined them both and enrolled at Texas Tech University, about 80 miles from Snyder, and decided to accept an invitation to walk on to the football team from head coach Mike Leach. College career 2000–2003 Cumbie walked on at Texas Tech, where he had enrolled as a student. Cumbie was on the scout team during the 2000 season, and earned a scholarship to be on the team prior to the 2001 season. He served as third-string quarterback behind Kliff Kingsbury and B. J. Symons during the 2001 season. Cumbie saw his first action during a 2002 win over New Mexico. He completed his first pass against Baylor University. After Kingsbury graduated, Symons was named the starter and Cumbie became the back-up. Tech blew out many opponents that year, giving Cumbie plenty of mop up time. He threw his first and only touchdown as a back-up against Baylor in a 62–0 rout in 2003. Prior to the 2004 season, he completed 40 passes out of 62 attempts for 374 yards