Dennis Siver is now on his third opponent for UFC Fight Night 53 as the Swedish Mixed Martial Arts Federation ruled that Taylor Lapilus is not a suitable opponent for Siver and replacing Lapilus is UFC newcomer Charles Rosa. 
The fight change was announced by the UFC this morning.
UFC Fight Night 53 will come from the Ericsson Globe in Stockholm, Sweden on October 4th and will be headlined by Gunnar Nelson meeting Rick Story in a welterweight bout.
Rosa (9-0) is out of American Top Team in South Florida and is coming off a first round submission victory against Jake Constant at CES MMA 25. Six of his nine victories have come by submission, including his last two wins.
Siver (21-9, 1NC) was suspended by the Nevada State Athletic Commission following his decision win against Manny Gamburyan at UFC 168. He tested positive for hCg and received a suspension of nine months, along with the result of the fight being overturned to a no-contest.
The current UFC Fight Night 53: Nelson vs. Story fight card lineup is below.
Main Card: (Fight Pass – 3 p.m. ET/12 p.m. PT)
Gunnar Nelson (13-0-1) vs. Rick Story (17-8)
Max Holloway (10-3) vs. Akira Corassani (12-4, 1NC)
Ilir Latifi (9-3, 1NC) vs. Jan Blachowicz (17-3)
Niklas Backstrom (8-0, 1NC) vs. Mike Wilkinson (8-1)
Preliminary Card: (Fight Pass – 12:10 p.m. ET/9:10 a.m. PT)
Magnus Cedenblad (12-4) vs. Scott Askham (12-0)
Nico Musoke (12-3, 1NC) vs. Alexander Yakovlev (21-5-1)
Dennis Siver (21-9, 1NC) vs. Charles Rosa (9-0)
Cathal Pendred (14-2-1) vs. Gasan Umalatov (15-3-1)
Tor Troeng (16-6-1) vs Krzysztof Jotko (14-1)
Mairbek Taisumov (21-5) vs. Marcin Bandel (13-2)
Zubaira Tukhugov (16-3) vs. Ernest Chavez (8-1)