National Football League roundup

[May 03, 2017]  May 2 (The Sports Xchange) - Free-agent running back Jamaal Charles, who has been hampered by knee injuries in recent years, agreed to a one-year contract with the Denver Broncos, the team announced Tuesday.

The deal is worth up to $3.75 million, according to NFL Network Insider Ian Rapoport.

Charles was released by the Kansas City Chiefs in February after spending nine seasons with that club and becoming the Chiefs' career rushing leader.

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The Buffalo Bills declined to pick up the fifth-year option on receiver Sammy Watkins' contract, the team announced.

The decision means Watkins will be an unrestricted free agent following the 2017 season. The option for 2018 was for $13.258 million.

Watkins has experienced injury issues during his first three NFL seasons and played in just eight games last season due to a foot injury.

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The Carolina Panthers exercised the fifth-year option on wide receiver Kelvin Benjamin and also waived five players -- safety Tre Boston, cornerback Lou Young, fullback Devon Johnson and offensive tackles Jordan Rigsbee and Jake Rodgers.

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The Detroit Lions exercised the fifth-year option on the contract of tight end Eric Ebron.

A first-round pick in 2014, Ebron will earn $8.26 million in 2018, the average of the top-10 for players at his position (based on cap charge).

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Calvin Pryor is officially entering a contract year after the New York Jets informed the fourth-year safety his 2018 option would be declined.

Pryor, a three-year starter at safety and former first-round pick out of Louisville, would have made $5.266 million in salary for 2018.

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