United will look to clinch the first major piece of silverware since the side was launched in 2018 when they face Tottenham at Wembley.
Thomas struggled for opportunities at Manchester United, but has flourished at Tottenham.
There are places in the Champions League, Europa League and Conference League still up for grabs
The Red Devils’ poor campaign has piled pressure on boss Erik ten Hag and increased the importance of the FA Cup final against neighbours Man City.