Calvin Johnson repaid at least $1 million of his signing bonus back to the Detroit Lions when he retired in March of 2016.

That’s significantly more than the $320,000 NFL Players Association records showed Johnson paid, or about 1/10th of the $3.2 million signing bonus proration the Lions would have been entitled to under the league’s collective bargaining agreement.

The Lions required Johnson to pay back part of the $16 million signing bonus he earned on the contract he signed in spring 2012.