Photo: Getty Images Sergey Derevyanchenko

Boxers should agree about the match within 30 days.

Ukrainian Middleweight Sergey Derevyanchenko and WBA Super, WBC and IBF Middleweight Saul Alvarez has received letters of authorization for the joint fight, BoxingScene reports.

IBF has notified the boxers of letters that within 30 days they must agree on a duel.

It is noted that Alvarez will try to avoid a fight with the Ukrainian mandatory Challenger to instead organize a third fight with Gennady Golovkin.

Recall that recently, Alvarez defeated Daniel Jacobs.

According to the materials: