I met him at a Minor League spring training game at Paul Owens Training Facility at Carpenter Complex in Clearwater, Florida in 2017, when the Atlanta Braves, whom he was a pitching coach for, came to play the Philadelphia Phillies.
Dan signed a 2005 Flair card #74 (531/699).
http://www.baseball-reference.com/players/m/meyerda02.shtml