Try this web link to look for a boxing gym around your area in Massachusetts.
http://www.boxinghelp.com/massachusetts....
My dad grew up in Brockton, Mass. He used to box with his friends a lot. One of his friends (I forget his name) went on to box for money. My dad also knew Marvelous Marvin Hagler. I don't know of anywhere specific you can box, but Brockton is probably a good place to start looking.
Streets. Pick some fights
Here's a list for Mass.:
http://www.boxinghelp.com/massachusetts....
www.boxinggyms.com then hit Mass. for your town.