The replacement was reported by informed sources close to the situation.
Mateusz Gamroth, 32, ended his own four-fight streak last October, losing a unanimous decision to Benil Dariusz. Four months earlier, the Polish fighter defeated the Russian Arman Tsarukyan by unanimous decision.
Jalyn Turner, 27, is on an impressive five stoppage streak in the UFC, guillotining Brad Riddell in his last fight just 45 seconds into the match. At the moment, the American is ranked tenth in the UFC lightweight rankings.
Recall that the UFC 285 tournament will take place on March 4, and its main event will be a fight for the vacant UFC heavyweight championship belt between Jon Jones and Cyril Gan.