ALLEN PARK, Mich. (AP) — Frank Ragnow's season is over before it started.

The four-time Pro Bowl center failed a physical because of a hamstring strain, days after coming out of retirement, the team announced Saturday.

The Lions say Ragnow reported to the team's training facility on Friday and an exam showed he has an injury that will prevent him from playing this season.

“Frank has always been a team-first guy and is a true warrior," the team said in a statement Saturday. “He will forever be a Lion.”

The 29-year-old Ragnow was reinstated off the retirement list on Wednesday in a move welcomed by the Lions , who have missed him on the offensive line this year. His replacement, Graham Glasgow, was ruled out with a knee injury for the game against the Green Bay Packers on Thanksgi

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