Smith, 21, will play for the former. The Mets' first-round Draft pick in 2013 and top prospect, according to MLBPipeline.com, Smith is hitting .280 with 10 home runs in 82 games for Double-A Binghamton. It is the best homer rate since turning pro for Smith, whom the Mets have long hoped would begin using his 6-foot, 230-pound frame to generate significant power.
Mets fans are already plenty familiar with Herrera, 22, who has amassed 169 big league plate appearances since making his MLB debut in 2014. No longer a prospect in the technical sense, Herrera nonetheless remains a significant part of the Mets' future, and he could start at second base as soon as next season.