Alabama Dog Law:
Alabama Cooperative Extension publication of dog laws; including “dog fright,” and owner liability in Alabama. 
Alabama dog laws
Breed Specific Legislation in Alabama:
At least eight cities or towns in Alabama have enacted either breed bans or breed-specific regulation.
People who fight dogs:
People who abuse dogs by dog-fighting can be charged with a Class C felony. Possession of dogs for fighting and being a spectator at a dogfight are also Class C felonies, punishable by 1-10 years and fines up to $5,000.
See how Alabama ranks compared to other states in penalties against persons who participate in dog fighting:
http://www.hsus.org/acf/fighting/dogfight/ranking_state_dogfighting_laws.html
National Canine Research Council