Gennady Golovkin, Canelo Alvarez box to split-draw

Canelo Alvarez, right, throws a right at Gennady Golovkin during a middleweight boxing bout Saturday, Sept. 16, 2017, in Las Vegas. (AP Photo/John Locher)Canelo Alvarez, left, fights Gennady Golovkin during a middleweight boxing bout Saturday, Sept. 16, 2017, in Las Vegas. (AP Photo/Isaac Brekken)Canelo Alvarez, left, is hit by a left from Gennady Golovkin during a middleweight boxing bout Saturday, Sept. 16, 2017, in Las Vegas. (AP Photo/John Locher)Canelo Alvarez, right, follows through on a r