The Mets have two big Rookie of the Year candidates in a stacked field. That’s a testament to a productive system.

Here are 15 of baseball’s top rookies/future stars.

How is this guy still a rookie after his two-WAR, 2.06 ERA campaign? Well, you need fewer than 45 days and 50 innings, and McLean had 44 days and 48 innings.

Not only does Team USA’s scheduled final game starter have top-tier talent, his attitude’s perfect. After he agreed at $791,500, which is maybe 2 or 3 percent his actual value, he told The Post, “I’m just happy to be here.” About being Team USA’s final game starter, he said, “We have to get there first!” Perfect!