The Las Vegas Raiders signed safety Isaiah Pola-Mao to a contract extension, they announced Monday. Sources told NFL Network that the pact is for two years and worth up to $8.45 million. Pola-Mao, 25,

Pola-Mao, a former undrafted rookie who made 14 starts for the Raiders last year when Marcus Epps went down with an injury, has re-signed with Las Vegas, the team announced on Monday. Pola-Mao's deal was reportedly for two years and is worth up to $8.

The Las Vegas Raiders have re-signed Isaiah Pola-Mao to a two-year extension that could be worth $8.45 million, as the nephew of Troy Polamalu continues his journey in the NFL