Beau Rivage Resort & Casino, Biloxi - 2012 Olympic silver medal winner Tugstsogt Nyambayar (10-0, 9 KOs) dropped Oscar Escandon (25-4, 17 KOs) five times to secure a third round stoppage win.
Escandon was coming off a seventh round TKO defeat at the hands of WBC featherweight champion Gary Russell Jr., which took place in May of 2017.
And Nyambayar was coming back from a solid win over Harmonito Dela Torre from November 2017.
In the first round, King Tug started very well, but then he got caught while a bit off-balance in the final 30 seconds by a big hook - which was ruled as a knockdown.
King Tug came out throwing bombs in the second. He landed a three punch combination that second Escandon down. Escandon got up too fast and was dropped for a second time by a straight right hand. For the remainder of the round it was Escandon surviving.
At the start of the third, King Tug dropped Escandon for a third time with a big right hand. He got up and it didn't take long for King Tug to drop Escandon for a fourth time. The referee allowed it to continue, but a series of punches dropped Escandon for a fifth time and the contest was waved off.
A junior middleweight contest saw Jeison Rosario (15-1-1, 11 KOs) win a ten round unanimous decision over Justin DeLoach (17-3, 9 KOs). The scores were 97-91, 96-93 and 96-92.
DeLoach did very well in the first five rounds - but then in the sixth, Rosario landed a big left hook that sent DeLoach down on his face. He got up, but the time ran out in the round.
Following the sixth, Rosario was pushing the pace and going after DeLoach to land more big shots, while DeLoach was still in the fight and boxing in a tactical manner to the finish line - although he went down again in the tenth and final round.
Rosario was coming off a draw to Mark Hernandez from February, while DeLoach was coming off a July 2017 TKO defeat to Nathaniel Gallimore.
In a battle of lightweight prospects Justin Pauldo (11-1, 5 KOs) picked up an eight round unanimous decision win over previously undefeated Joshua Zuniga (9-1, 4 KOs). The scores were 79-73, 79-73 and 78-74.
Zuniga was coming off a fourth round knockout of undefeated Raynell Williams from December 2017.
Pauldo came in riding a five fight win streak, after losing a close six round split decision to Efrain Cruz in July 2015.
Top rated super middleweight J’Leon Love (24-1-1, 13 KOs) scored a ten round unanimous decision over Jaime Barboza (19-15, 9 KOs). It was the first bout for Love since last September, when he fought to a technical draw against Abie Han.