Although flattened by a left hook in the fourth and staggered by the same punch in the eighth, 10th and 11th rounds, the 26-year-old Khan (28-3, 19 KOs) outscored the 33-year-old Diaz (40-8-1, 29 KOs) by counts of 115-113, 115-112 and 114-113.
Khan, who last fought in Britain two years ago in a winning effort against Irishman Paul McCloskey, is a human chandelier capable of getting floored at any moment with one decisive shot to the kisser.
A 2004 Olympic silver medalist, “King Khan” is wrongly rated by The World Boxing Council as the second preeminent welterweight in prizefighting.
If the former IBF lightweight titleholder had a few more minutes, Diaz would have knocked Khan onto Queer Street.
Unfortunately for the gritty Mexican, Khan managed to survive despite again failing to protect his notoriously fragile chin.
Departing the “Steel City” as a conqueror, Amir Khan still looked like a loser against Julio Diaz.by