Manchester United have scouts in attendance to watch Viktor Gyokeres play Arsenal in the Champions League - and two of the striker's Sporting Lisbon team-mates. Gyokeres has evolved into one of Europe's most prolific strikers since joining Sporting in the summer of 2023 on a free transfer. And the Sweden international is known to have several high-profile suitors in the Premier League . Arsenal - who will see Gyokeres firsthand on Tuesday night - are long-term admirers but United have also