Don't know how your leagues are set up but one of mine is a 5 man team with a max of 8 members. That way, granted they are couples for the most part, they will bowl about half a season, give or take.
Subs are always needed as well, as said before, it's FREE ! Hard to beat free !
Just something you might see if that would work for ya.
Good Luck !
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az guy aka: R & L Bowlers Pro
rlbowlerspro@cox.net