Matuidi, a World Cup winner with France, was signed by Miami from Italian giants Juventus in August 2020. The league's statement said the investigation will center on whether the signing complied with its salary budget and roster guidelines.
The full statement follows below.
Major League Soccer has begun a formal review of Inter Miami CF’s signing of midfielder Blaise Matuidi, specifically investigating whether the signing of the player complied with Major League Soccer’s salary budget and roster guidelines. MLS will not make further comment until the completion of its investigation.