Timothy Bradley Jr.'s breakdown: What to expect when Canelo faces Kovalev

Bradley: Canelo-Kovalev is the right fight at the right time (1:31)

Timothy Bradley Jr. calls Canelo Alvarez a superstar and says his fight vs. Sergey Kovalev is the right fight at the right time. (1:31)

Canelo Alvarez steps up to the light heavyweight division Saturday in pursuit of Sergey Kovalev's world title. As a middleweight titleholder moving up 15 pounds, ESPN's No. 3 pound-for-pound fighter in the world faces certain risks against a fighter of Kovalev's size and experience, although questions about what kind of fighter Kovalev is at age 36 linger as well.