The pitcher the Mets imagined was going to be their No. 1 postseason starter is trying to rediscover his best form in Triple-A.

The pitcher the Mets envisioned starting October games behind Kodai Senga, Sean Manaea, is a pseudo-starter — half opener, half reliever, maybe more (or less).

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This leaves the Mets running on two tracks as the season dwindles to what now has just three remaining series — get in the playoffs and, while doing that, complete the auditions to determine who will pitch and in what roles in a wild-card series.

It is a bizarre place to be. The Mets know who they would like — all things lined u

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