Boston Red Sox third baseman Alex Bregman , New York Yankees outfielder/first baseman Cody Bellinger and New York Mets closer Edwin Diaz are among the players to have opted out of their contracts on Monday and will become free agents.

Bregman, as expected, decided to forgo the final two seasons of a three-year, $120 million deal with the Red Sox and will be entering free agency for the season consecutive season, sources told ESPN's Jeff Passan.

Bregman, 31, got off to a fast start in Boston, hitting .299 with 11 homers and 35 RBIs before suffering a quad injury that sidelined him from May 24 to July 11. He finished the season with a .273 average, 18 home runs and 62 RBIs.

More than 140 players have become free agents in the two days following the end of the World Series, with

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