During his introductory press conference on Dec. 6, new Colorado head football coach Mel Tucker said his Buffaloes would be tough. Recruiting power in the trenches will certainly help in that regard and last weekend, the Buffaloes added a lot of muscle. Defensive tackle Austin Williams, defensive end Jeremiah Doss and offensive lineman Vaatofu Sauvao all gave their verbal commitments to CU — the first commitments for Tucker since taking the job.