Roger Goodell's five-year extension to remain NFL commissioner will be his final deal, according to NFL spokesman Joe Lockhart.

Goodell will spend parts of the next five years working on identifying and grooming his successor. 

Goodell's deal expires after the 2023 season.

Goodell replaced Paul Tagliabue as commissioner in 2006. Tagliabue was 65 when he stepped down from his post and Goodell will be approximately the same age.