Mets add four prospects to 40-man roster

NEW YORK -- The New York Mets added outfielder Brandon Nimmo and right-handers Robert Gsellman, Seth Lugo and Jeff Walters to the 40-man roster on Friday to shield them from Rule 5 draft eligibility.

Among the players left unprotected for the Dec. 10 draft include Class A outfielder Wuilmer Becerra as well as upper-level right-handers Matt Bowman and Paul Sewald, first baseman/outfielder Jayce Boyd and infielder T.J. Rivera.

The Mets currently have 39 players on the 40-man roster.

Nimmo, 22, hit a combined .269 with five homers and 26 RBIs in 376 at-bats in 2015 while primarily playing for Double-A Binghamton and Triple-A Las Vegas. He had a .362 on-base percentage. Nimmo, a first-round pick…