Yep MMJB lets you do that

Subject: Yep MMJB lets you do that
Name: Stimp
Date: 1/28/2002 8:21:52 PM (GMT-7)
IP Address: 68.10.184.138
In Reply to: Your problem lies posted by Ben
Message:

It's in the options it will automatically name them, by track number - track name. But unfortunately it won't help him with already ripped mp3s