A lot of the players people think are U21, aren't so anymore (Fredericks, Hall, Fryers, Carroll, Mason, Ceballos, Obika)
Complete overview below, players in bold are seniors the rest U21, players in () are loaned out. Khumalo has a long term injury btw.
LLORIS, FRIEDEL
Archer, McGee, Voss, Glover, Whiteman
KHUMALO, (Hall), KABOUL, DAWSON, CHIRICHES, VERTONGHEN, FRYERS
Lesniak, Ball, Carter-Vickers, Maghoma
FREDERICKS, WALKER, NAUGHTON, ASSOU-EKOTTO, ROSE
Walker-Peters, A.McQueen, Ogilvie, (Ward)
PAULINHO, SANDRO, CAPOUE, DEMBELE, CARROLL, HOLTBY
Walkes, McEneff, Winks, Veljkovic, Bentaleb, Lameiras, Amos
LENNON, CEBALLOS, SIGURDSSON, MASON, ERIKSEN, CHADLI, TOWNSEND, FALQUE
McEvoy, Sonupe, Miller, Edwards, Goodard, Yahaya?, Onomah, Azzaoui, Gomelt, A.Pritchard
LAMELA, SOLDADO, ADEBAYOR, OBIKA
Coulibaly, Harrison, Akindayini, Coulthirst, Kane, Oduwa
As you can see we have a very large senior squad, 31 players - 6 need to be loaned out or sold for us to reach the 25 man limit. One more to leave for every player coming in.