The video game? Yes.
First of all it is "are" and yes there are. If you get far enough in career you can partcilate in title bout. You also get the belt as a trophy.
Silva did not fight at the UFC 125 event. He fought at UFC 126 where he defeated Vitor Belfort for the Middleweight Title. The main event of UFC 125 was Frankie Edgar vs Gray Maynard for the UFC Lightweight Title which ended in a Draw.
Yes he's had the ufc title belt for 6 years now
Current Middleweight Champion Anderson Silva has the longest title reign in UFC history
No WEC fighters are in UFC Undisputed, as they are not UFC fighters.
UFC Undisputed 3
Frankie Edgar. He beat BJ Penn at UFC 112 to win it.
Andre Arlovski is a mixed martial artist born in Bobruisk in what is now Belarus. He has held the UFC Heavyweight Championship title once and held and defended a UFC Interim Heavyweight Championship title once for a total of two UFC title belts.
Cain Velasquez is the current UFC heavyweight champion, he regained the title from Junior Dos Santos.
UFC 105. November 14, 2009. Manchester
UFC Primetime was created on 2009-01-14.
UFC Connected was created on 2009-04-20.