1972 Nebraska Cornhuskers football team
Nebraska , national champions in 1970 and 1971 , entered the season top-ranked in the polls , with a 23-game winning streak and a 32-game unbeaten streak . 
<triplet> 1970 <subj> 1970 <obj> point in time <triplet> 1971 <subj> 1971 <obj> point in time