By Matt Audilet The New York Mets have optioned veteran big-leaguer Dominic Smith to their Triple-A Syracuse affiliate, the team announced on Tuesday. The 26 year old was batting a career-low .186 and failed to record a single home run through 101 plate appearances. Right-handed pitcher Adonis Medina was called up from the minors to take Smith’s spot on the active roster. Smith was removed from the starting lineup before yesterday’s matchup against the Washington Nationals. He was replaced by former Rookie of the Year Pete Alonso at first base. Earlier this year, Smith expressed discontent in …