Explaining structure and cap hits for Frank Ragnow's contract extension with Lions

Detroit Lions center Frank Ragnow signed an extension earlier this month, which puts him under contract with the team through 2026. The reported details included $52 million in new money, including $42 million in guarantees.

Now that the details have been filed with the league, we can see how the Lions structured the contract and what the salary cap implications are for this and future seasons.

Ragnow was already under contract for the 2021 and 2022 seasons, after the Lions had exercised the fifth-year option on his rookie contract earlier this offseason. Those cap hits were scheduled to be $3.75 million and $12.66 million.

The extension, which added four additional years, included a signing…