NFL star mysteriously RETIRES at just 28 and just three months after signing a $3million contract

NFL receiver Michael Gallup has retired after six seasons - and only three months removed from signing a deal worth up to $3million.

Gallup, a third-round draft pick in 2018, played his entire career with the Dallas Cowboys, totaling 3,744 yards and 21 touchdowns.

But after signing with the Raiders in free agency, Gallup has decided to hang his cleats up before training camp.

Clarence Hill Jr., who covers the Cowboys for the Fort Worth Star-Telegram, wrote on X that Gallup's 'heart was no longer in it.'

The 28-year-old's best season was his sophomore campaign in 2019, when he notched 1,107 receiving yards and six touchdowns.

Michael Gallup, 28, has decided to walk away from the NFL after six seasons with the Cowboys

Gallup, seen playing in 2022, finished his career with 21 receiving TDs for the Cowboys

However, his production would tail off as he battled injuries, including an ACL tear in January 2022.

He was released by the Cowboys in March after failing to top 500 receiving yards in three consecutive years. Hill added on X that he was 'sure' Gallup wanted to remain in Dallas.

Gallup's health held up last season, as he appeared in every game for Dallas, but he's apparently had enough. 

He hasn't said much publicly about his decision, though he reposted two congratulatory Instagram stories from former Cowboys teammate CeeDee Lamb.

'Nothing but love this way kid,' he wrote to Lamb in one.

Gallup signed a five-year, $57.5million deal with Dallas in 2022, with $27million in total guarantees.