Max ProtectAfter Wisconsin got over the initial terror of the first few drives, they went back to the drawing board in a way. Rather than attacking Ohio State horizontally, they started going more straight ahead. Combined with that, they were able to start incorporating some of their max protection package, where they only send two or three receivers out in routes. What this means is that OSU's front four will initially be doubled, and every blitzer should theoretically be easily picked up. The key is that you have to maintain coverage behind it.
Or, you can beat the chip blocks (having the RB do an awful job also helps) and you see something like this:
To see more ways Wisconsin schemed to try to avoid pressure, and how OSU overcame those methods, follow the link to Land-Grant Holy Land.
And spoiler alert: It ends with this...
And you know you love it