I picked the Marquez brothers, but the Quarry brothers would have been a good addition. Both were excellent fighters in divisions that were very deep in talent.
1. Marquez brothers 2. Gibbons brothers 3. Spinks brothers For me, the Spinks brothers rate below the Marquez's and the Gibbons's because, unlike them, there was one brother who isn't mentioned among the greats.
Those two are pretty close. They have the same phone number and address. Evan takes roids though while Evander is clean.