The Detroit Lions are seeing significant turnover in their offensive line going into the 2025 season.
The team lost center Frank Ragnow to retirement and guard Kevin Zeitler to free agency, where he inked a deal with the Tennessee Titans.
As if all that wasn't enough, there are concerns with guard Graham Glasgow after a disappointing 2024 campaign that led many to wonder if he's on the decline.
Glasgow is one of at least two offensive linemen who were competing for the vacant center job this offseason, along with rookie Tate Ratledge.
That competition will no doubt continue in training camp and the loser will likely take one of the guard spots. The favorite for the other guard spot is second-year offensive lineman Christian Mahogany, who showed promise last season but remains mostly unproven.
Going into training camp, head coach Dan Campbell revealed that the offensive line is his biggest concern.
"My eyes are on the O-line," Campbell told reporters on Sunday. "I want to see what that unit's going to do and what's going to come out of that. We need some guys to step up for us. It's a great opportunity.
"We lost Frank and Zeitler's gone and so we've got two or three more spots for guys to step up and help us. And, once that happens, then mesh," he added. "The guys that we know we can trust, this is where they're going to play and then getting whoever those five are together to where they start working together and start trusting each other."
Campbell added that the battle for interior offensive line spots is "an open competition," per Nolan Bianchi of The Detroit News.
Given all that's required of a center, Glasgow's experience gives him the edge over the rookie for that particular spot.
The veteran has played 2,611 snaps at center during his career, according to Pro Football Focus, while Ratledge did not play the position at Georgia.
Other players to keep an eye on for the interior offensive line spots are veterans Trystan Colon and Kayode Awosika, and rookie Miles Frazier.