Former Bellator light heavyweight champion Attila Vegh will return to KSW in May and he will meet Goran Reljic on the main card.
The fight booking was announced by KSW on Monday and the promotion also announced the heavyweight bout between Mariusz Pudzianowski and Rolles Gracie will take place at KSW 31.
KSW 31 will come from the Ergo Arena in Gdańsk, Poland on May 23 and the fight card will be headlined by KSW middleweight champion Michał Materla facing Tomasz Drwal.
Vegh (29-5-2) lost the Bellator light heavyweight title last year to Emanuel Newton and this will be his first fight since that defeat. Prior to the fight with Newton, he had won nine in a row and went 5-1 in Bellator. Reljic (14-4) has won three in a row and his last defeat came in 2013 against Jan Blachowicz. His most recent win came in December against Tomasz Narkun.
The current KSW 31: Materla vs. Drwal fight card is below.
Michał Materla (21-4) vs. Tomasz Drwal (21-4-1)
Mariusz Pudzianowski (8-3) vs. Rolles Gracie (8-3)
Karol Bedorf (11-2) vs. Peter Graham (11-7)
Attila Vegh (29-5-2) vs. Goran Reljic (14-4)
Maciej Jewtuszko (11-2) vs. Robert Radomski (12-3)
Jay Silva (9-9-1) vs. Aziz Karaoglu (7-6)
Karol Celinski (12-5-1) vs. Tomasz Narkun (9-2)
Patryk Grudniewski (5-4) vs. Grzegorz Szulakowski (5-1)