Kevin Holland has been in a slump. Gunnar Nelson is back for the first time in two years. Who’s got the edge at UFC London?

Check out the best photos from Kevin Holland's unanimous decision win over Gunnar Nelson at UFC Fight Night 255 at The O2 in London. (Photos by Peter van den Berg, USA Today Sports; MMA Junkie ...

Kevin Holland (left) and Gunnar Nelson (right) are scheduled for a welterweight bout at UFC London. [Image Courtesy: @TrailBlaze2Top and @GunnieNelson on Instagram] Gunnar Nelson looks to extend ...

Holland, for example, is the modern-day Donald Cerrone, while Nelson is like the UFC's official groundhog for Groundhog's Day, coming out about once a year or so. But as far as styles go ...

Check out the best photos from Kevin Holland's unanimous decision win over Gunnar Nelson at UFC Fight Night 255 at The O2 in London. (Photos by Peter van den Berg, USA Today Sports; MMA Junkie; UFC) ...

Holland (27-13 MMA, 14-10 UFC) has already fought twice this year, and was able to rebound when he defeated Gunnar Nelson (19-6-1 MMA, 10-6 UFC) by unanimous decision in Saturday’s UFC Fight Night 255 ...

UFC London's Gunnar Nelson vs. Kevin Holland full video highlights are here. The two men in a highly anticipated welterweight clash of great significance, though for differing reasons. For Nelson ...