Question: Where does the current PFL Welterweight Champion train?

Context paragraphs:
Jake Shields: Jake Sequoyah Shields (born January 9, 1979) is an American mixed martial artist, currently fighting in the welterweight division for the World Series of Fighting.  He was the last Rumble on the Rock Welterweight Champion, the only Elite XC Welterweight Champion, a former Shooto Welterweight Champion and former Strikeforce Middleweight Champion.  He also fought for the Ultimate Fighting Championship (UFC).

Ben Askren: Ben Askren (born July 18, 1984) is an American former amateur wrestler for the University of Missouri and U.S. Olympic team.  He is now an active submission wrestler, mixed martial artist, and the former Bellator Welterweight Champion and the current ONE Welterweight Champion known for his unorthodox and effective wrestling.  He is currently ranked as the #7 welterweight in the world by Fight!Magazine and as the #10 welterweight by Sherdog.

Douglas Lima: Douglas Lima (born January 5, 1988) is a Brazilian mixed martial artist who competes in the welterweight division of Bellator, where he is the current Bellator Welterweight Champion, in his second reign.  He is also the former MFC Welterweight Champion.  Lima is currently ranked as the #6 Welterweight in the world by Fight!Magazine.

Jon Fitch: Jonathan Parker Fitch (born February 24, 1978) is an American mixed martial artist, competing in the welterweight division of Professional Fighters League where he is the current PFL Welterweight Champion.  He formerly competed for the Ultimate Fighting Championship where he compiled a record of 14–3–1.

Carlos Condit: Carlos Joseph Condit (born April 26, 1984) is an American mixed martial artist, competing in the Welterweight division of the Ultimate Fighting Championship.  Condit is the former Interim UFC Welterweight Champion and WEC Welterweight Champion.  As of May 31, 2015, he is #4 in official UFC welterweight rankings.  28 of Condit's 30 wins have come by way of knockout or submission.  He has never been knocked out or stopped due to strikes; Condit's only TKO loss came by injury.

Sam Eggington: Sam Eggington (born 15 October 1993) is a British professional boxer.  He is the current European welterweight champion.  He was the British and Commonwealth welterweight champion, as well as the former BBBofC Midlands (England) Area, British Masters Silver and WBC International Silver welterweight titleholder.

Mike Swick: Mike Swick (born June 19, 1979) is a retired American mixed martial artist who spent most of his career competing for the Ultimate Fighting Championship's middleweight division.  Swick, who trains at American Kickboxing Academy alongside fellow welterweight standout Jon Fitch, entered the UFC after appearing on the inaugural season of The Ultimate Fighter.

The Ultimate Fighter: Team Hughes vs. Team Serra: The Ultimate Fighter 6: Team Hughes vs. Team Serra is the sixth season of the Ultimate Fighting Championship (UFC) produced reality television series "The Ultimate Fighter", and premiered on September 19, 2007 on Spike TV, after "UFC Fight Night 11".  This season features only welterweight fighters (156–170 lb).  The teams are coached by then-UFC welterweight champion Matt Serra and former welterweight champion Matt Hughes.  The coaches were to fight for the Welterweight title after the completion of the show, on December 29 at UFC 79: Nemesis from the Mandalay Bay Events Center.  However, due to an injury sustained by Serra, Hughes faced top contender Georges St-Pierre on the 29th, with St. Pierre defeating Hughes by submission in the second round and going on to challenge Serra for the undisputed welterweight title at a later date.

2014 San Diego Toreros football team: The 2014 San Diego Toreros football team represented the University of San Diego during the 2014 NCAA Division I FCS football season.  They were led by second-year head coach Dale Lindsey and played their home games at Torero Stadium.  They were a member of the Pioneer Football League.  They finished the season 9–3, 7–1 in PFL play to be crowned PFL champions.  Due to Jacksonville's forfeit of the league season after disclosing financial irregularities (similar to San Diego's 2013 forfeit), they were designated the league's sole champion and earned the PFL's automatic bid to the FCS Playoffs, where they lost in the first round to Montana.

Andre Harrison: Andre Harrison (born May 16, 1988) is an American mixed martial artist who competes in the Featherweight division of the Professional Fighters League where he is their current PFL Featherweight Champion.  He also competed for Titan FC where he successfully defended the Featherweight Championship four times.

Supporting paragraphs: Mike Swick Jon Fitch
Answer: American Kickboxing Academy