NFL free agency is a little more than a month away, and the Detroit Lions have plenty of decisions to make about players in their own building.

Key contributors such as offensive guard Kevin Zeitler and cornerback Carlton Davis are set to hit the market after outperforming their deals in one-year stints with the Lions. Others, including linebacker Derrick Barnes, defensive linemen Levi Onwuzurike and safety Ifeatu Melifonwu, are set to reach the end of their rookie contracts — the first draft class of general manager Brad Holmes to do so.

Factoring in the several players who joined midseason, the Lions have a whopping 19 unrestricted free agents on the books heading into the offseason.

Here’s the outlook for each player. (Sorted by 2024 cap hit. )

OG Kevin Zeitler (2024 cap hit: $5,940,000)

Zeitler was widely respected before joining the Lions on a discounted salary. He took his game to another level and might’ve priced himself out of a return. But at 34, he’s also running out of time to win a ring; perhaps that influences him to stay. Detroit has rookie Christian Mahogany waiting in the wings, but if you’re going to swap him out at one of the guard positions, you’d probably prefer him to take over the role of left guard Graham Glasgow.

CB Carlton Davis III ($4,529,483)

Davis was every bit of the player the Lions hoped he would be before suffering a season-ending injury in Week 15. He plays man-to-man coverage at an extremely high level and is a perfect fit for what the Lions want to do defensively. This year’s free-agent cornerback class is pretty weak, which is both an argument for re-signing Davis and a reason why he’ll probably test the market.

Edge Marcus Davenport ($3,507,500)

Davenport was one of the Lions’ marquee signings last offseason, but his potential was never fulfilled. After just two games, his season ended with a torn triceps. In a limited sample size, he was great. But with the Lions firmly in a Super Bowl window, their margin for error on signings like these is low, and it’s hard to believe they’d take another gamble on Davenport’s health, given the way the 2024 season just played out.

LB Derrick Barnes ($3,311,301)

Barnes hoped to have a breakout year in the final season of his rookie contract, but it ended prematurely when he suffered a season-ending knee injury in Week 3. Based on what he’d shown in 2023 and the first few games out of 2024, perhaps a team jumps at the chance to sign him. On the other hand, his beloved position coach, Kelvin Sheppard, was just named the Lions’ defensive coordinator, and it might be worth coming back on a short-term deal to open up opportunities for the future.