Next GM can’t be seduced by Mets’ own delusions

Zack Wheeler, Amed Rosario and Jeff McNeilDo you hear it? Listen closely, it will sound familiar.

Pitching coach Dave Eiland talking about having a championship rotation. Comparisons of Jeff McNeil to Daniel Murphy. Fuzzy baseball math by Mets officials noting what the team’s record would be if June were eliminated.

Spin is valuable to an organization to energize the fan base or pump up a clubhouse. Devastating when you fall for your own spin. And conning themselves into believing the most positive scenarios — even within the most negative of seasons — is a Mets specialty.

Maybe because those scenarios often involve sticking with what the Mets have, which usually is a less expensive route than…