The Mets want to move Bartolo Colon if, for nothing else, to redirect the $11 million he is owed next year to other needs.

But multiple executives from outside of the Mets say it is exactly that $11 million owed in 2015 that will make Sandy Alderson’s job trading the righty anywhere from difficult to impossible — unless the Mets swallow a huge sum of next year’s payday.

Though there are multiple teams — including the Yankees — looking for rotation help, the case against Colon was described by several personnel men as significant. One put it this way: “His old team [the A’s] didn’t want to sign him for two years. The only team willing to sign him for two years already has him and that second year is a killer for the Mets to move him even if they don’t want any prospects back.”

Colon has a 4.12 ERA. But when you adjust that for the league and his big ballpark, Colon’s ERA is actually 15 percent worse than the league average. He already has surrendered 14 homers — the same number as all of last season. There is always worry about his weight and his steroid past. All of that might be possible to overlook — to some extent — as one NL scout said, “if his contract were expiring.”