Inter Miami's signing of French midfielder Blaise Matuidi will be investigated by MLS, the league has confirmed.
The 33-year-old joined the Florida side from Juventus in a free transfer last summer.
There have now been questions raised as to whether the David Beckham-owned side looked to evade the league's roster rules when signing the World Cup winner.
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What will MLS be investigating?
Miami signed Matuidi using Targeted Allocation Money instead of registering him as a Designated Player, which would have seen him earn a higher salary.
But it has been claimed that Matuidi has been paid more money than is stipulated in his contract – meaning he should have been listed as a Designated Player.