Tyson can't bank on this future.(Chicago Tribune)

Byline: Michael Hirsley

LOUISVILLE, Ky. _ Mike Tyson started out like a hammer, but wound up like a nail. In the process, his plan to build a way out of bankruptcy was shattered.

For most of three rounds Friday night, he slammed hard shots to Danny Williams' body and head, staggering him once. But late in the fourth round, the 8-1 underdog pounded Tyson's head repeatedly.

Each blow that thudded against the former heavyweight champion's face and clean-shaved pate drove his supposedly easy ring return after 17 months' absence into the ground. Unseen but certainly felt, each punch in Williams' hammer-like counterattack sent millions of dollars flying out of the millionaire-gone-broke …