Assuming you mean the boxer Felix 'Tito' Trinidad... At the time of answering - he is still alive.
Boxing
Trinidad James is dead; he was shot in the back and ran over.
Juan Felix "Tito" Trinidad Garcia is a retired Puerto Rican professional boxer. He won his first world championship by defeating Maurice Blocker.
Felix Trinidad
Felix Martinez was born May 18, 1974, in Nagua, Maria Trinidad Sanchez, D.R..
Felix Trinidad on September 18, 1999
boxing.Source: http://en.wikipedia.org/wiki/F%C3%A9lix_Trinidad
No, Felix Leiter survived, and speaks to James Bond (by phone) at the end of the film.
Yes he is. He fell out of a window and broke his neck
Yes he fought a fighter by the name of Felix Trinidad i believe they may have even fought more than once. Hope that helps let me know.
Jones won on points over 12 rounds in January 2008 at Madison square garden NY.