Leeds United are being linked with a player that could be about to play in the Champions League final on June 1, and it comes as a blow for Connor Roberts this summer. The result on Sunday afternoon will determine what kind of summer Leeds will have over the next few months. A win over Southampton at Wembley immediately improves the calibre of player targeted. Already, Leeds are being linked with certain players they could sign if promotion back to the Premier League is secured at Wembley. Bayer Leverkusen striker Adam Hlozek is one Leeds could decide to sign. Another is Newcastle midfielder S…