Lions safety Gardner-Johnson suffers knee injury during practice

Gardner-Johnson was carted off the field after suffering a non-contact knee injury at Lions training camp.
The injury occurred after Gardner-Johnson signed a one-year, $8 million contract with Detroit in the offseason.
There is optimism that initial tests showed the injury may not be too serious.
Gardner-Johnson was expected to be an impact addition to the Lions' secondary after a strong 2021 season with the Eagles.
If Gardner-Johnson misses time, rookies and backups may need to step up at the safety position for Detroit.