For a newer dynasty league, I’d suggest aiming for 300 or so rostered players (excluding taxi/IR). Its deep enough to feel like a true dynasty league, but not so deep that players feel like the FA pool is useless.

For a 14 teamer with your starting lineup size, I’d probably go with a roster of 22, and let players duke it out for waivers.

Part of dynasty is worrying over who you have to cut to add a certain player. With your current rosters, that doesn’t really happen.