Just because he may have been better than the other catchers who caught the same pitchers does not make him "great", and there's certainly nothing in those numbers that suggest he was great.........
If he was so "great" behind the plate how come the sawx staff ERA over his career was mostly middle of the road despite having a 1st ballot HOF'er in pedro, another strong HOF candidate in schilling etc on the staff?
While neither one of them will be confused with Brooks Robinson anytime soon I did read that Andujar worked with Adrian Beltre in the off season. Not a bad guy to try to help you along in my opinion.