The Los Angeles Chargers have locked down their franchise left tackle in historic fashion. On Sunday, the team and Rashawn Slater agreed to a four-year, $114 million contract extension that includes a staggering $92 million guaranteed—making Slater the highest-paid offensive lineman in NFL history.

The deal not only reflects Slater’s elite performance since entering the league as a first-round pick in 2021, but also the Chargers’ commitment to protecting quarterback Justin Herbert for the long haul. Slater, 26, has quickly become one of the league’s premier blindside protectors, earning Pro Bowl and All-Pro honors in his rookie season and anchoring a line that has seen its share of injury issues.

Slater’s extension surpasses the previous record held by Laremy Tunsil of the Houston Texans and sets a new benchmark for offensive linemen, a position growing in importance as teams invest more heavily in passing offenses. With $92 million guaranteed, Slater now stands at the top of the pay scale among his peers—both in total value and guaranteed money.

The Chargers’ front office sees this move as foundational. General Manager Joe Hortiz called Slater “an elite talent and a true pro,” and emphasized the importance of building around Herbert with durable, high-character players. Slater’s durability, footwork, and intelligence have made him indispensable since day one.

For a team looking to bounce back in a competitive AFC West, securing a cornerstone like Slater sends a strong message: the Chargers are investing in stability, protection, and long-term success.