Matthew Stafford delivers zinger when asked about Calvin Johnson's retirement

Megatron left the building and he's not coming back. After battling through a multitude of injuries, Detroit Lions wide receiver Calvin Johnson annouced his retirement in March, finishing his career with 11,619 yards and 83 touchdowns, catching the majority of them from Matthew Stafford.

The Lions QB spoke with media members outside the team's OTA's on Thursday when he was asked about Johnson, and he delivered a good one. Via Brad Galli: