He's been with us for a while, but let's face it, the rotation is getting old, and Trax is standing in the way of a Pelfrey or an Oliver Perez being in the rotation full-time. He's still serviceable, but let him go after this year.
Even if we were the home team? Suppose one of the multiple players vying for #800 comes out of the game with a freak injury in the top of the first while playing in the field. Would they not count, even though they obviously took the field as a Met?
Now consider this: If more than one new face trots out onto the field in the first inning on Opening Day next year, who would we consider the 800th Met?
I'm answering my own question. I found the game the Gary Carter Ivory Soap commercial came from: September 17, 1986. Mets win, 4-2 against the Cubs. Dennis Eckersley leaves after 4.1 innings down 3-0, with Guy Hoffman replacing him.