The Fighter is an excellent drama, starring Mark Wahlberg as a boxer trying to succeed despite his crack addict brother (Christian Bale) and his powerful, trashy mom (Melissa Leo). As one would expect, Bale nails the flashier role of the addict, deluding himself about both past glories and his importance to his family. Leo is almost unrecognized under her teased hair, and is accompanied by a hilarious Greek Chorus of adult daughters, each trashier than the last.
The boxing scenes are very well done, and Wahlberg matches Stallone and Swank in making us believe that he is, indeed, a boxer. See my list of 10 Best Boxing Movies.