New Orleans Saints running back Alvin Kamara congratulated Los Angeles Rams running back Todd Gurley on his 4-year, $60 million contract extension Tuesday.

ESPN NFL Insider Adam Schefter reported that Gurley’s contract extension will guarantee $45 million.

Gurley’s contract extension is the biggest long-term contract among NFL running backs, exceeding Atlanta Falcons running back Devonta Freeman’s $41.25 million contract extension.