In a surprise development, the fan-favorite first baseman reached a two-year, $54 million contract to return to the Mets.

The Mets and the perennial All-Star first baseman agreed to a two-year deal worth $54 million after a protracted winter negotiation.

Even after the Mets’ reunion with Pete Alonso, they could still be back to square one — and still in the market for a first baseman — next offseason. See Also new york mets Mets’ short and sweet Pete Alonso deal is win for everyone — including the fans Maybe Alonso’s latest bet on himself — essentially what his two-year,