Mets at a glance: 90-72, first place in National League East, clinched division title and playoff berth on Sept. 26. Three things to watch:1. Yoenis Cespedes. How hard is it to pitch to the 29-year-old center fielder? Among all Mets players with at least 10 at-bats in September and October, Cespedes owns the highest slugging percentage against both lefties (.