Manchester United are investigating any patterns behind their lengthy injury list, football director John Murtough has confirmed. The club has six first-team players out with long-term injuries: Luke Shaw, Aaron Wan-Bissaka, Lisandro Martinez, Tyrell Malacia, Kobbie Mainoo, and Amad. The latter three are yet to make a competitive appearance this season as they continue rehabilitation from injuries sustained before the start of the campaign. Several other players have also missed games due to injury this season including Sergio Reguillon, Raphael Varane, and Mason Mount. Murtough said:...