Video: Five UFC Fight Night 37 storylines, including Gunnar Nelson's return

Ahead of Saturday’s UFC Fight Night 37 event, check out the five main storylines from the UFC Fight Pass-streamed fight card.

MMAjunkie’s John Morgan and Mike Bohn count down the list, which includes the long-awaited return of Icelandic submission ace Gunnar Nelson, who’s been on the sidelines for the past 13 months.

Check out the details of that storyline and the others above.

For more on UFC Fight Night 37, stay tuned to the UFC Rumors section of the site.