Castellanos lifts Texas Tech past Arizona in pivotal Big 12 showdown

LUBBOCK, Texas -- Tommy Castellanos threw two touchdown passes and ran for 117 yards and a score as the starter over Will Hammond , and No. 13 Texas Tech beat No. 22 Arizona 34-26 on Saturday in a matchup that was pivotal to the Big 12 title and College Football Playoff hopes of both teams. J'Koby Williams ran 64 yards for a decisive touchdown and finished with 175 yards as the Red Raiders (7-1, 4-1 Big 12) tied a school record with their 13th consecutive home victory a week after a loss to Cincinnati that led to the benching of…