The Detroit Lions are a culture-first team, meaning they will choose guys who impress the coaching staff with their mentality and work ethic as they impress with their on-field skill. It took a season or two for the guys to fully buy into the “biting kneecaps” bit, but ever since, it’s been smooth sailing.

That approach, along with a draft strategy that encompasses the same principles, has led the Motor City to a 27-7 record over the past two years. There are star players all around the roster, each one matching head coach Dan Campbell’s mentality. Embracing that mentality is the quickest way for some of the young guys to earn playing time and develop.

One second-year up-and-comer looks to be next in line for a breakout after following that exact roadmap: Terrion Arnold. The second-year cornerback has caught the attention of The Athletic in their recent article on every NFL team’s breakout player for 2025.

Terrion Arnold is exactly who the Lions thought he was

Arnold’s play style has certainly caught the attention of Detroit’s front office, which made him an easy trade-up candidate when he fell to 24 in the 2024 draft:

“The Lions threw Arnold into the fire last year and didn’t apologize for it — largely because they know how he’s wired,” Colton Pouncey wrote. “It takes a certain mindset to play cornerback for this coaching staff, which is why the team was hesitant to devote meaningful capital on the position until the stars aligned with Arnold.”

That mindset was something GM Brad Holmes saw right away: “He’s got a challenge mindset. He’s got a challenge mentality. He’s got the physicality. He’s gritty and he’s still developing,” Holmes said during the draft process.

Arnold’s rookie season left a lot to be desired. Considered the best corner of the draft, he struggled in his rookie season. However, a lot of that is to be expected. Rookie corners often take a season or two to fully transition to the pace and strength of the professional game. Luckily, his play improved throughout the season, suggesting he’s well on his way to a breakout Year 2.

After being flagged eight times in his first four games, Arnold committed just two penalties the rest of the season, including none in his final five games. That kind of adjustment speaks volumes. Combine that with his elite movement skills, physicality in press coverage, and the potential to take over as the Lions’ top corner in 2025, and it’s easy to see why Year 2 is shaping up as a breakout campaign.

For a team that preaches mentality as much as talent, Arnold’s growth checks every box. The Lions believed in his makeup. Now the rest of the league is about to see why.