Mairis Briedis (25-1, 18 KOs), Krzysztof Głowacki (33-1, 19 KOs), Yunier Dorticos (23-1, 21 KOs) and Andrew Tabiti (17-0, 13 KOs) successfully made the cruiserweight limit on official weigh-in ceremony before their fights in Riga, Latvia.
Briedis and Glowacki will fight for the WBO title belonging to the Pole, and the vacant WBC championship belt. Tabiti vs Dorticos will compete for the title of interim IBF champion.
These fights will also be the semi-finals of the World Boxing Super Series. The winners will contest in the autumn for three championship belts and the Muhammad Ali Trophy.
Weigh-in results:
Mairis Briedis 198.1 lbs - Krzysztof Głowacki 197.5 lbs
Yunier Dorticos 199.3 lbs - Andrew Tabiti 199.3 lbs