“Megatron” is shutting down.
Detroit Lions star wide receiver Calvin Johnson is retiring.
The team made the announcement Tuesday morning.
The team said Johnson, 30, filed for retirement Tuesday, one day before the new NFL year begins Wednesday afternoon.
In 2012, Johnson set the record for most receiving yards in a single season.
Johnson finishes with 11,619 yards and 84 TDs in his 9-year career, all with the Detroit Lions
