Choiniere was officially transferred to LAFC from Grasshopper Club Zurich after that the transfer option in his loan has been activated. He signed a contract with LAFC through the 2028 season with an additional option for 2029, the club announced. "Since arriving late in the summer, Mathieu made an immediate impact with his experience, intelligence, and versatility. We are delighted to have secured his return. He brings a calm authority and a competitive edge that strengthen our group on and off the field, and we look forward to a full season with him as we continue our pursuit of more trophies. With the World Cup on the horizon, we're also excited about the opportunity for Mathieu to represent his country on the biggest stage and proud to support him in that ambition," said LAFC Co-President & General Manager John Thorrington.