Question: EA Sports UFC is a mixed martial arts sports video game developed by EA Canada and SkyBox Labs, a playable demo was released on the PlayStation Network and Xbox Marketplace on June 3, 2014, with cover athletes Jon Jones and which Swedish professional mixed martial artist, what is currently signed to the Ultimate Fighting Championship (UFC) where he competes in their light heavyweight division?
Sentence (from "Alexander Gustafsson"): As of 20 July 2017, Gustafsson is the #1 ranked light heavyweight contender in official UFC rankings.
Relevant evidence: No