Even though Tom Coughlin bashed the New York Giants during his interview with the Eagles and clearly holds a grudge, he continues to work out at their facility where he still has an office.
From the NY Daily News:
Coughlin said in the radio interview he has been working out at the Giants facility. First he said it was once a week. Then he said it was twice a week. He said in a report at the scouting combine last week that showing up at the Giants headquarters is “not as comfortable.