Texas Tech defensive lineman Tyree Wilson. Trevor Ruszkowski-USA TODAY Sports

Reliable defenses have eluded the Raiders for most of this century. Last season marked the franchise’s 20th straight ranking in the bottom half in scoring defense. Patrick Graham‘s unit ranked 26th in points allowed and 27th in DVOA, making it logical to expect the AFC West franchise to seek help in the draft.

The team will do so, and the Las Vegas Review-Journal’s Vincent Bonsignore notes help will be sought on all three defensive levels. Although the Raiders have added a few pieces on defense, they have not devoted much money beyond the mid-level Marcus Epps contract. After the Davante Adams trade cost Las Vegas’ first- and second-round picks last year, the team should be expected to add defensive help early in this draft.

Substantial guarantees remain on Chandler Jones‘ deal, but after the former Cardinals All-Pro did not live up to expectations last season, Bonsignore adds the Raiders are eyeing edge help that would both prepare them for Jones’ departure — which could happen in 2024 — and give the veteran pass-rusher more rest in 2023. The team met with Texas Tech edge-rusher Tyree Wilson on Thursday, per Albert Breer of SI.com.

Jones, 33, finished with just 4.5 sacks last season; three of those came in one game. His 2023 base salary and roster bonus represent a $16M guarantee for the Silver and Black. Due to the void years tacked onto Jones’ three-year contract, it would cost the Raiders $7.2M in dead money to cut him (without a post-June 1 designation, that is) in 2024. The Raiders signed ex-49er Jordan Willis as a backup but look to be targeting edge help. Both NFL.com’s Daniel Jeremiah and ESPN’s Scouts Inc. rate Wilson as a top-six player, but teams’ quarterback maneuvers could push him down to the Raiders at No. 7. Iowa’s Lukas Van Ness also sits as a possible edge upgrade for the Raiders, who have also done considerable homework on quarterbacks.

The Raiders have hosted each of the top quarterbacks available this year, including Hendon Hooker, but their defense may have too many needs for Josh McDaniels’ team — which already signed Jimmy Garoppolo to a three-year deal that guarantees him $33.75M — to take a quarterback in Round 1. Instead, cornerback looks like a strong consideration. The Raiders should be monitored for a corner at No. 7, Jordan Reid of ESPN.com notes. They hosted Penn State’s Joey Porter Jr. and Maryland’s Deonte Banks on visits, and Reid adds the team has also work on top corners Devon Witherspoon (Illinois) and Christian Gonzalez (Oregon). Mel Kiper Jr.’s most recent mock sends Witherspoon to Vegas.

Robert Spillane (two years, $7M) could be ticketed for a full-time role with the Raiders, being on the radar to wear the green dot signifying communication. The Raiders should be expected to look into this year’s linebacker class, per Bonsignore, but that will not happen until at least Round 2. On Day 2, Las Vegas holds the Nos. 38, 70 and 100 overall picks.

A Jalen Carter visit surfaced, with word of that meeting coming out shortly after a report indicated the Raiders would not consider the Georgia defensive tackle, and could be in position to select the high-risk proposition. But The Athletic’s Vic Tafur adds the Carter meeting has not yet transpired. The Bears (No. 9) and Eagles (No. 10) have both emerged as potential Carter landing spots, but the Seahawks (No. 5) have as well.

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