The violent and devious world of boxing is revealed in Jake Gyllenhaal's Southpaw . Review by Matt Cummings If you were one of the millions of people who forked over $100 in hopes of watching that 'fight of the century' between Floyd Mayweather and Manny Pacquiao, you were probably disappointed at the men's dance that occurred in its place. It's sad to admit that American professional boxing is perhaps in its darkest hour, ruined by promoters who laugh all the way to their huge payouts, and supported with questionable behavior by boxers that borders on the practiced routines of the WWE. At least this summer gives us the very good Southpaw , although it's a bit long and entirely predictable. Boxer Billy Hope (Gyllenhaal) has fought his way to the top of his profession, taunting his opponents while they deliver vicious blows in a vain attempt to defeat him. His wife Maureen (Rachel McAdams) and daughter Leila (Oona Laurence) are worried that the sh