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Five keys for Andre Berto

A former WBC welterweight champion, Andre Berto (28-1, 22 KOs) has a chance for redemption Saturday (HBO, 10 p.m. ET/PT) when he faces WBC interim 147-pound champion Robert "The Ghost" Guerrero in Ontario, Calif.

Berto was suspended after testing positive for a banned substance before his scheduled June rematch against Victor Ortiz. That fight was later canceled.

Here are five keys to a possible Berto victory Saturday against Guerrero (30-1-1, 18 KOs):

Pressure times four

Bigger is better

Trust your instincts

Look to the right, avoid the left

Use your throwing hand

Bernardo Pilatti is a contributor to ESPNdeportes.com.