I think Billy Wagner gets underrated. I would put him in before Lee Smith and probably Trevor Hoffman.
"(Shoeless Joe Jackson's fall from grace is one of the real tragedies of baseball. I always thought he was more sinned against than sinning." -- Connie Mack
"I have the ultimate respect for Whitesox fans. They were as miserable as the Cubs and Redsox fans ever were but always had the good decency to keep it to themselves. And when they finally won the World Series, they celebrated without annoying every other fan in the country."--Jim Caple, ESPN (Jan. 12, 2011)