CompuBox taks a look at the stats for the last four fights involving junior welterweight champions Amir Khan and Zab Judah, who clash later tonight at the Mandalay Bay in Las Vegas. Khan was the busier fighter and landed eight more punches per round. The economical Judah landed 51% of his power punches, but threw 36% less than the weight class average. Khan's bread and butter is the jab, but Judah's opponents have only landed 11% of their jabs against him.