Show Buffs Doubtful About Stars BOULDER Colo Cob Nov 11 INS As As has been the case all season a big question mark still hung over the Colorado university backfield backfield backfield back- back field today a as Coach Jim Yeager prepped his charges for their all important Big Seven conference clash with the strong Brigham Young Cougars at Provo Utah Saturday I Knee Ithee injuries are keeping Fullback Fullback Full Full- back Ray Jenkins and Halfback Vern Vera Lockard the teams team's best punter on the doubtful list |