Butler also talked about loan players and I suspect he sees loans in addition to his “core” squad of twenty. Particularly if he can secure low or no cost loans.
Would make sense to loan a good young keeper (Foster?) or strikers that aren’t first choice but need to be much fit (Lavery?). Possibly not from the Cods but I’m sure our other local higher level near neighbours have players that would benefit more from playing for us than their clubs reserve teams.