But Roach believes Postol will need his boxing skills to defeat Crawford .
That was n't the case in Postol 's last fight Oct. 3 when he knocked out Lucas Matthysse in Carson , California , showing he has the power to stop a quality opponent .
Roach believes Postol will need Postol 's boxing skills to defeat Crawford .
That was n't the case in Postol 's last fight Oct. 3 when he knocked out Lucas Matthysse in Carson , California , showing he has the power to stop a quality opponent .