Who is the worst GM is pro sports history?

[PokrLikeItsProse]

After the great Paul Brown died in 1991, the ownership of the Cincinnati Bengals were taken over by his son Mike Brown, who did a heckuva job by doubling as general manager. He was the architect of a hideous franchise, trying to do the same job as his more talented father, until the Rooney Rule forced him luck into hiring Marvin Lewis and he finally made a good high-profile draft of a quarterback (Carson Palmer, after misfires such as David Klingler and Akili Smith).