BEREA, OHIO • Nick Chubb may celebrate his huge contract extension by running extra sprints or lifting more weights.

“That’s who I am,” Chubb said. And it’s why the Browns love him. Chubb signed a three-year, $36.6 million contract extension Monday with Cleveland, an indication of the team’s regard for his skills as an elite running back and appreciation for his quiet, unassuming leadership.

The Browns locked up the talented 25-year-old Chubb — he’ll also get $20 million guaranteed — for the future as they embark on what could be a special season in Cleveland.

Eagles WR DeVonta Smith out with a knee sprain

PHILADELPHIA • Eagles wide receiver DeVonta Smith is out indefinitely with a knee sprain.

The reigning Heisman Trophy winner was listed as week-to-week on Monday’s injury report, so his status for Philadelphia’s preseason opener against Pittsburgh on Aug. 12 is uncertain.

Bills, Allen to put off talks if no deal done by season

ORCHARD PARK, N.Y. • Bills general manager Brandon Beane told The Associated Press on Monday he is giving himself before the start of the regular season to negotiate a long-term extension with quarterback Josh Allen before putting off discussions until next year.

Beane wouldn’t specify an exact date in saying the two sides have agreed to suspend talks before Week 1 in September so as not to serve as a distraction for the fourth-year starter, whose rookie contract runs through the end of the 2022 season.