I just don't agree with thehat's advice to avoid him in all leagues.
Everday position players don't spend much time as free agents in deep mixed and AL/NL only leagues. You'd be surprised how many players are involved in platoons or "time-sharing" positions.
I'm in a deep, AL only keeper league and he's been owned all season.
I just picked him up and put him on my bench in another league which is a 20 team, 4 OF, mixed league.
You should leave him alone in the standard, shallow, mixed leagues which most people play, anyhow.