#1 Vince promotes Mick Foley's new book... while Foley is still in TNA
Mick Foley has probably done more to himself physically to help WWE than probably any wrestler ever.
Check out which wrestler EC3 finds cute RIGHT HERE
See? That's just one example.
Still, sometimes people need a change of scenery and, in 2008, Foley left the WWE (due to "creative frustrations") and joined Total Nonstop Action Wrestling. He was there until 2011, where he even had a short reign with the TNA World Championship.
In 2010, he wrote and released a new memoir, Countdown to Lockdown: A Hardcore Journal, recalling his preparation for a steel cage match with Sting.
That same year, WWE.com - yes, WWE.com - did an interview with Foley, conducted by Joey Styles, to promote the book. Even more surprisingly, McMahon had announcer Michael Cole plug the book as well, live on air, during an episode of Raw.
All while he was working with a rival brand.
Mick Foley would eventually return to WWE in 2011, even participating in the 2012 Royal Rumble, and was eventually inducted into the WWE Hall of Fame in 2013.
It just goes to show you that Vince doesn't always hold grudges.