<p>The Las Vegas Raiders have agreed to a contract extension with left tackle Kolton Miller that will keep him locked up through the 2025 season.</p>
<p>The deal reached Tuesday was announced by Miller’s agents at Octagon Football. The total contract tacks on three additional seasons beyond Miller’s fifth-year option in 2022 and is worth $68.7 million.</p>
<p>ESPN first reported the deal and said it includes $42.6 million in guarantees and averages more than $18 million a year from 2023-25.</p>
<p>Miller is the first member of the 2018 draft class that included quarterbacks Josh Allen, Baker Mayfield and Lamar Jackson to get an extension.</p>
<p>He is also a rare first-round pick to get a second contract with the Raiders and first since 2008 first-rounder Darren McFadden did it. The team made seven first-round picks between those two deals without giving out a second contract to any of those players.</p>
<p>Miller was the first draft pick made by coach Jon Gruden in his second stint with the Raiders, going 15th overall in 2018. He struggled mightily as a rookie but has developed into a very dependable left tackle and will anchor the overhauled offensive line for years to come.</p>
<p>Miller played every offensive snap for 29 straight games starting in his rookie year and running until this past season when he missed two games with an ankle injury.</p>
<p>Miller has improved his play every season since being credited with allowing a league-worst 14 sacks as a rookie in 2018, according to game-tracking from SportsInfo Solutions. He cut that down to eight sacks in 2019 and just two allowed last season.</p>
<p>The Raiders are counting on Miller to maintain that level of play in the future after spending much of this offseason trading away high-priced pieces on the offensive line. </p>
<p>Las Vegas dealt right tackle Trent Brown, center Rodney Hudson and right guard Gabe Jackson for three mid-round draft picks and to save money after spending the most salary cap room on the offensive line last season.</p>
<p>The Raiders did bring back guard Richie Incognito on a reduced salary and re-signed the versatile Denzelle Good. Former undrafted free agent Andre James will take over at center but Miller is the most proven option on the line.</p>
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