Among the things the Mets are taking care of in September 2015 is September 1978. That is, they are dialing back their median of mediocrity all the way back beyond that far-flung month. The Mets are at least a .500 team over their last 5,868 games, going back to Saturday, September 2 (Game Two), 1978, an improvement of 5 games. This takes us past the debut of Gil Flores and the birth of Alex Escobar. Past the beginning of the Camp David conference and the death of Keith Moon. The Mets have been over .500 since Moon died. The Mets are also pushing back the lesser mile markers near the point of oblivion. The Mets are at least a .490 team over their last 8,108 games, going back to Sunday, September 27 (Game One), 1964, an improvement of 1 game. The Mets are at least a .480 team over their last 8,566 games, going back to Saturday, May 5, 1962 , an improvement of 1 game. That last one has a good chance of disappearing entirely some time next summer. And shortly after the Mets go back over .480 all-time, they'll be advancing their best-ever all-time winning percentage every time they improve their record.