Alexey Oleynik-Sergey Spivak Booked for UFC on ESPN 25 on June 19
Two Ultimate Fighting Championship heavyweight grapplers with equal 92 percent finish rates will toe the line in June.
https://www.sherdog.com/news/news/Alexey-OleynikSergey-Spivak-Booked-for-UFC-on-ESPN-25-on-June-19-179342
