Pakistan, July 25 -- Inter Miami announced the signing of Brazil midfielder Casemiro as a free agent on Wednesday, but Major League Soccer said it was investigating a "tampering allegation" against the club.

The league's probe cast a shadow over the midfielder's arrival, with MLS saying it would withhold details of a settlement between Inter Miami and LA Galaxy over Casemiro's discovery rights until the review concludes. Inter Miami said they had signed the five-time Champions League winner - who left Manchester United at the end of last season - on a deal through the 2027 MLS Sprint campaign, with an option to extend to June 2029. Yet the league then said in a statement that it had launched an investigation and was gathering all relevan...