At 7:10 p.m., it will be “The Walking Dead: Dead City” night at Citi Field. Morgan and Cohan will throw out the first pitch at the New York Mets game when they take on the Arizona Diamondbacks.

Yeun played Glenn in “The Walking Dead” from 2010 to 2016 until his character was killed off in the Season 7 premiere episode, titled “The Day Will Come When You Won’t Be,” directed by ...