The defender is on loan with Ronald Koeman’s side from Atletico Madrid…
Manchester United, Arsenal, and Manchester City are keeping tabs on Southampton’s on loan defender Toby Alderweireld, reports Goal.com.
The Belgium international is contracted to Atletico Madrid, but the Saints have an option to sign him at the end of the season.
However, the La Liga side are able to cancel this clause by paying the South Coast club a compensatory fee, which could in turn spark an auction involving the trio of Premier League clubs,
The defender is thought to be keen on staying in the English top flight, and has impressed throughout this season at St. Mary’s stadium. With the Mancunian sides in need of reliable defenders and the Gunners historically weak at the back under Arsene Wenger the three could all make a move for the 25-year-old.