The Big Ten's announcement of the divisional format Wednesday night offered the first official glimpse at how the conference will be shaped going forward.

Now it's time to predict how it will play out on the gridiron.

Throughout the post-expansion process, Big Ten commissioner Jim Delany repeated the Big Ten's desire to protect old rivalries in the new format, which worked better in some cases than in others.

Most notably, Iowa will no longer have a protected rivalry game with Wisconsin. Instead, the Hawkeyes will meet cross-divisional foe Purdue every season going forward.

Despite being separated, Ohio State and Michigan will continue to square off annually on the final game of the regular season.

That's th...

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