ˌɔn dᵻsˈɛmbɚ twˈɛnti wˈʌn, tˈuː θˈaʊzənd twˈɛnti, kˈʌmbi wʌz hˈaɪɚd ænd ɹᵻtˈɜːnd tə tˈɛksəs tˈɛk æz ðɛɹ əfˈɛnsɪv koʊˈɔːɹdᵻnˌeɪɾɚ ænd kwˈɔːɹɾɚbˌæks kˈoʊtʃ ˌʌndɚ hˈɛd kˈoʊtʃ mˈæt wˈɛlz.
On December 21, 2020, Cumbie was hired and returned to Texas Tech as their offensive coordinator and quarterbacks coach under head coach Matt Wells.