Leandro Silva defeated Islam Makoev by Decision in the Welterweight main event of ACA 73: ACB 73, Rio De Janeiro, held Sunday, October 22, 2017.
ACA 73: ACB 73, Rio De Janeiro was an MMA event from Absolute Championship Akhmat, held Sunday, October 22, 2017. 73 is part of ACA's numbered event series. 16 fights took place on the card.