The Juventus great revealed his intentions to leave Turin at the end of the season, ending a 17-year spell with the Bianconeri in which he made 425 Serie A appearances.
🇺🇸 I felt very strongly about this new chapter in my career and I’m grateful to @LAFC for this opportunity. I’m thankful for all my years with Juventus and I’m looking forward to winning many more trophies in Los Angeles. pic.twitter.com/Udt1Lp3yY6— Giorgio Chiellini (@chiellini) June 13, 2022
Chiellini also retired from international football with Italy two weeks ago following the 3-0 'Finalissima' defeat to Argentina in a meeting between the Euro 2020 winners and Copa America champion.
The 37-year-old has expressed his desire to use his vast experience to go into management or a director role, once his playing career is finished.
Los Angeles will likely be his final club that he plays for, after Chiellini took to Twitter to confirm his move to the Black and Gold on a reported 18-month contract.
"I am ready for a new role on the pitch," he said. "But mentally, I'd also be ready to become a director.
"I'd like to know everything going on around the pitch, inside the offices, but it takes time, patience and desire to sacrifice.
"We'll talk again in a few years and hopefully, I'll have understood the particularities and difficulties of the role.
"My adventure in the USA will prepare me for what will happen next."
Chiellini will hope to bolster the defence of a Los Angeles side that sit four points clear at the Western Conference summit after 14 games.
The experienced defender represents another big-name signing to go to MLS, joining the likes of Andrea Pirlo, Wayne Rooney and Zlatan Ibrahimovic to play in America.