The Mets are running it back with one of their biggest homegrown stars. Pete Alonso has agreed to a two-year, $54 million to remain with the Mets, The Post’s Jon Heyman confirmed. It includes a $10 million signing bonus.

According to league sources, the organization reached that conclusion because Alonso turned down their offer of a three-year contract that contained opt-outs and included deferred money that would have elevated the total to well over $70 million. If he said no to that, the Mets thought, he must have a better deal elsewhere.

It's the free agency saga that never ends. With just 12 days to go before major league clubs report to spring training for mandatory full-team workouts, New Yor