Nick Diaz ($200,000), B.J. Penn ($150,000), Cheick Kongo ($140,000) and Brandon Vera ($120,000) were the top earners at this past weekend’s UFC 137 event. Overall, the 22 fighters who competed on the card earned purses totaling $1,026,000. MMAjunkie.com today requested and received the list of disclosed paydays from the Nevada State Athletic Commission.