LONDON, ENGLAND - MARCH 18: (L-R) Arnold Allen of England celebrates his victory over Makwan Amirkhani of Finland in their featherweight fight during the UFC Fight Night event at The O2 arena on March 18, 2017 in London, England. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)
LONDON, ENGLAND - MARCH 18: (L-R) Arnold Allen of England pushes Makwan Amirkhani of Finland in their featherweight fight during the UFC Fight Night event at The O2 arena on March 18, 2017 in London, England. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)
LONDON, ENGLAND - MARCH 18: (L-R) Makwan Amirkhani of Finland punches Arnold Allen of England in their featherweight fight during the UFC Fight Night event at The O2 arena on March 18, 2017 in London, England. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)
LONDON, ENGLAND - MARCH 18: (R-L) Arnold Allen of England attempts to submit Makwan Amirkhani of Finland in their featherweight fight during the UFC Fight Night event at The O2 arena on March 18, 2017 in London, England. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)
LONDON, ENGLAND - MARCH 18: (L-R) Makwan Amirkhani of Finland attempts to submit Arnold Allen of England in their featherweight fight during the UFC Fight Night event at The O2 arena on March 18, 2017 in London, England. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)
