Experience the thrill of the England U21 Premier League Cup as Millwall U21 vs Swansea U21 battle it out on 20 December 2025. Based on our predictions, Swansea U21 is poised to win, with a probability of 42%. Don't forget to check Predictions for Today for our insights on Over/Under 2.5 Goals, Both Teams to Score, Half-Time, Correct Score, Corners, and Cards.