Details Emerge For The Chargers Huge New Contract

Got That Big Kick Energy?

In terms of structure, Slater’s deal also boasts the largest year-one cash flow ever for an offensive lineman ($38 million), and the largest cash flow through four years ($105.29 million). The only lineman to earn more over three years is 49ers left tackle Trent Williams, whose $138 million contract is heavily backloaded and non-guaranteed in its final year.

Cap Relief and Flexibility

One of the more immediate impacts of the extension is a reduction in Slater’s 2025 cap number. Originally set to make around $19 million under his fifth-year option, Slater’s new cap figure drops to $14.8 million thanks to the prorated signing bonus and restructured base salary.

The Chargers now have more breathing room under the cap to maneuver in 2025 and potentially explore new deals for other foundational players. Here’s how Slater’s cap hits will break down annually, according to Over the Cap.

• 2025: $14.8 million
• 2026: $23.8 million
• 2027: $31.8 million
• 2028: $29.09 million
• 2029: $33.55 million

The $7 million roster bonus due in 2029 will also force the team into an early decision on Slater’s future that year, giving them strategic flexibility if needed.

A Franchise Pillar Under Jim Harbaugh

Slater’s long-term deal ensures stability at one of the most important positions in football—especially in a Jim Harbaugh offense that prioritizes elite tackle play. Since taking over as head coach, Harbaugh and GM Joe Hortiz have emphasized fortifying the trenches, pairing Slater with this year’s No. 5 overall pick, Joe Alt, to form what could be the best tackle tandem in the NFL.

Despite a ruptured biceps tendon that cut short his 2022 campaign after just three games, Slater has been a force when healthy. Drafted 13th overall in 2021, he earned Pro Bowl honors as a rookie and quickly emerged as one of the league’s premier blindside protectors.

Now, with this extension in place, he’ll continue to lead a tackle group that rivals any in the NFL, while giving Herbert peace of mind and time to operate in a retooled offense.

What Comes Next

While the deal secures the edge of the line, the Los Angeles Chargers still have some work to do inside. The interior offensive line remains a question mark, and the added cap flexibility could help address that in the near term.

Still, this deal is a win on every front. Slater is now the standard-bearer for offensive linemen. The Chargers get cost-certainty at a premium position. And Harbaugh, now in his first training camp back in the NFL, begins his tenure with one of the most critical building blocks secured for the long term.