Ken and Wormmon feel the same way about each other (Wormmon is not even sure he could play against Ken-chan!), so Wormmon skitters next to his teammate. "Then, I..."

Ken puts a hand to his chin. "To still be 'soccer', the ball shouldn't touch a player's hands. Wormmon's hands are also his feet.....

"Unless." Here is a thought. "Could he play goalkeeper?"