The Los Angeles Chargers had plenty of high-profile storylines through training camp and the preseason.
The most prevalent was their battle for the starting left guard spot, which apparently extended into Week 1 as Kayode Awosika and Trey Pipkins III rotated reps with the starting offensive line. There were also battles in the inside linebacker room, the wide receiver room, and the cornerback room that were all but decided on roster cut-down day.
But heading into the season, we still didn't have much clarification on one of Los Angeles' most sneakily interesting position battles. With all three of Tony Jefferson, RJ Mickens, and Genesis Smith making the 53-man roster, who was going to have the first shot at snaps alongside Elijah Molden when Derwin James was asked to slide into his nickel/dime role?
We got a semblance of answer on Sunday against the Arizona Cardinals, and it represented a major show of faith in the rookie. Although Mickens seemed to be fully recovered from the ankle injury that limited him earlier in the week, he was listed as an inactive on the Chargers' final roster for their Week 1 matchup.
That left Smith with a full complement of snaps next to Jefferson, and it perhaps gave us a glimpse at how O'Leary plans to utilize this secondary over the course of the season.
Genesis Smith earned a real role on this Chargers defense in Week 1
When the Chargers selected Smith in the fourth round of the 2026 NFL Draft, there were many who had reasonable concerns about the tackling issues he showed at the college level. While his ball-hawking abilities and deep-field instincts showed amply across his tape, he struggled to consistently take the right angles and finish plays in the open field.
He finished the 2025 season with a concerning 19.8% missed tackle rate, and it was unclear whether he had the physicality to make an immediate impact for this Los Angeles defense.
There were two possible optimistic spins on the situation, though. The Chargers are known for their ability to develop secondary talent, and tackling can be taught in conjunction with the sort of instincts that Smith clearly has at his position. Additionally, with a more-than-capable veteran in Jefferson and a well-rounded defender in Mickens already in the fold, Smith likely had time before he needed to play a major role.
But Smith obviously eased those doubts over the course of training camp and the preseason. He saw 27 defensive snaps on Thursday compared to Jefferson's 39—a number that was likely buoyed by Molden's exit from the game with a hamstring injury. He posted four tackles and split his snaps between the free safety spot, the tackle box, and even the slot.
Smith's performance doesn't necessarily preclude Mickens from working his way back into the rotation. If Molden needs to miss any time, he's obviously the first man up, and don't be surprised if he's active next week even if Molden is healthy.
Mickens had a strong rookie season—posting 29 tackles across 12 games and taking on a major role after the trade of Alohi Gilman to the Baltimore Ravens.
But the hierarchy within the safety room is at least relatively clear for the time being, and it seems as though the team has put true faith in Smith's ability to tackle and make plays in the open field after his strong preseason showing.
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