Dear Big 12: All is not lost. Sincerely, West Virginia

LUBBOCK, Texas -- So apparently West Virginia is, in fact, for real.

Admit it, you doubted the 20th-ranked Mountaineers -- and perhaps still do after WVU throttled Texas Tech 48-17 Saturday at AT&T Jones Stadium to improve to 5-0 and 2-0 in the Big 12.

After all, Texas Tech is a .500 team and destined to dip lower, but the Red Raiders entered their homecoming matchup on Saturday with the nation’s highest-scoring offense and most prolific passing attack -- led by the league’s most exciting quarterback in Patrick Mahomes II.

And West Virginia shut them down -- as receiver Shelton Gibson predicted -- harassing Mahomes all afternoon as the Red Raiders’ NCAA-record streak of scoring 50 points or…