Source: Chargers, WR Keenan Allen agree to 4-year, $80 million extension

The Los Angeles Chargers have agreed to a contract extension with star wide receiver Keenan Allen, the team announced Saturday.

Terms were not disclosed, but a source told ESPN's Jeremy Fowler that Allen's deal is for four years and more than $80 million, with $50 million guaranteed.

The 28-year-old Allen, a three-time Pro Bowl selection, has played his entire seven-year career with the Chargers. Last season he had 104 receptions for 1,199 yards and six touchdowns.

Overall, he has 524 receptions (fifth all time in franchise history) for 6,405 yards (sixth in franchise history) and 34 touchdowns (10th in franchise history) in 86 games.