LONDON – It’s been two years since Gunnar Nelson last competed.

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 proved his grappling is up to par at UFC Fight Night 255. Holland (27-13 MMA, 14-10 UFC) was able to hurt Gunnar Nelson (19-6-1 MMA, 10-6 UFC) and survive his grappling to earn a ...

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) ...

A bout between experienced welterweights Vicente Luque and Kevin Holland was added to the upcoming UFC 316 card.