It was his shortest regular-season start since he pitched one inning for the Yankees in 1988.
The regular-season start will be the earliest since the league was founded four years ago.
"Obviously the regular-season start doesn't mean much, so we're going to get ready for the postseason," Johnson said.
Martínez is on track to make his final regular-season start Wednesday in Atlanta.
Now, in his 200th straight regular-season start, it is sprained.
Smoltz missed his final regular-season start with a stiff right shoulder.
Shea Stadium has never been kind to Clemens, who lost his only regular-season start here in 1997.
Johnson skipped his final regular-season start but threw 41 pitches off a bullpen mound Sunday.
Clemens said the hamstring was tight but would not cause him to miss the final regular-season start of his career.
Johnson was scratched from his final regular-season start to rest his back for the postseason.