Very similar styles, both guys are prone to cuts.

Don't vote unless you've seen the following fights

JLC vid clips

Castillo vs. Mayweather I
http://www.youtube.com/watch?v=lD1UyCp_siU&NR

Castillo vs. Corrales II
http://www.youtube.com/watch?v=PtkfF1ZaUZA

Hatton clips

Hatton vs. Tszyu
http://www.youtube.com/watch?v=noV5SiyLA4g

Hatton vs. Collazo
http://www.youtube.com/watch?v=dBiaRMQCsrs

----------------------------------------------------------------

IMO Castillo will destroy Hatton, but I think it will be
a great match for the 6 rounds that it lasts.