Baylor is expected to be without starting left tackle Spencer Drango for the biggest game in school history this Saturday at Oklahoma State because of a back injury.
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Drango, a 6-foot-5, 315-pound redshirt sophomore from Cedar Park, Texas, had started the last 22 games at left tackle for Baylor.
Redshirt sophomore Pat Colbert is listed as Drango's backup on the depth chart for the de-facto Big 12 championship game against the Cowboys. Colbert has never started, but has seen playing time over the past two seasons as a reserve lineman.
Baylor is 9-0, 6-0 in conference, ranked No. 4 in the BCS and can secure at least a share of its first-ever Big 12 championship by winning two of its last three games.