Boxing's next big thing is stepping into the squared circle for the 34th time TONIGHT (Sat., Oct. 17, 2015) inside "The World's Most Famous Arena," Madison Square Garden, in New York, N.Y., as Gennady Golovkin aims to fold power-punching Canadian David Lemieux on an HBO pay-per-view (PPV) main card that will begin around 9 p.m. ET.