The satellite broadcaster claims that Ferguson has sent his brother Martin to 'check on the 26-year-old forward who has bagged eight goals this season and has already attracted interest from leading Spanish clubs including Sevilla.
It is understood that United have already made contact with Regueiro's agent Paco Casal about a possible move to Old Trafford - although he refused to confirm meetings had taken place.
The player insists he is only thinking about Racing and not United. "All my future depends on my work in the next few weeks," Regueiro told skysports.com. "My desire is to get success with Racing and not speak with United."