Three bouts that were reported earlier this week for WSOF 19 have been made official by the promotion as Jake Heun vs. Teddy Holder, Timur Valiev vs. Ed West, and Krasimir Mladenov vs. Clifford Starks are now set for the March 28 fight card. 
The bouts were made official by the promotion in a press release on Thursday afternoon and the matchup between Heun and Holder is a light heavyweight tournament reserve bout.
WSOF 19 will come from the Comerica Theatre in Phoenix, Arizona and will be headlined by Justin Gaethje defending the lightweight title against Luis Palomino.
Heun (7-3) won his WSOF debut last year against Kendrick Miree and is coming off a 20-second TKO victory in November against Ron Fields. He is 5-1 in his last six fights and four of those wins have come by TKO. Holder (8-1) is currently on a seven fight winning streak and this will be his WSOF debut. All of his fights have ended in the first round and he has four wins in 60-seconds or less.
West (18-9) has lost back to back fights and four of his last five. Three of those defeats came in Bellator and his last defeat came in September against Mike Richman. Valiev (8-1) is coming off a win in September against Isaiah Chapman and he has won eight in a row since losing his pro debut. Four of his career wins have come by stoppage and three of them have come by TKO/KO.
Starks (10-2) has won back to back fights since being released by the UFC and both of those wins came in Bellator. His most recent win came in September as he defeated Jacob Ortiz by submission. Mladenov (12-0) made his WSOF debut in 2013 and has gone 3-0 in the promotion. All of his wins in WSOF have come by decision, including a win over Brendan Kornberger at WSOF 17 in January.
The current WSOF 19: Gaethje vs. Palomino fight card is below.
Justin Gaethje (13-0) vs. Luis Palomino
Thiago Silva (16-3) vs. Ronny Markes (15-3)
Jake Heun (7-3) vs. Teddy Holder (8-1)
Timur Valiev (8-1) vs. Ed West (18-9)
Krasimir Mladenov (12-0) vs. Clifford Starks (10-2)