United have been hampered by several injuries to key players in the first half of the season, with Luke Shaw and Kobbie Mainoo also only recently returning after lengthy layoffs. Casemiro's appearance in training will come as a boost for Ten Hag after his team's seventh Premier League loss of the season, but Lisandro Martinez, Mason Mount and Tyrell Malacia are among those who remain on the treatment table with no firm return dates set as of yet.