Glynn was born and raised in Pasadena, Maryland. He attended Northeast High School where he was a three year varsity player. After High School, Glynn attended CCBC Catonsville for one year. During his time at Catonsville he was named First Team All JUCO, JUCO All American, and Male Athlete of the Year. He was offered a scholarship to The University of Central Florida, but instead signed with The Baltimore Orioles in 2010.
Glynn played with the Baltimore Orioles in the Minor Leagues for seven years, reaching as high as Double A (Bowie Baysox) for three seasons. He was a two time All Star, once with the Aberdeen IronBirds in 2011 and once with the Frederick Keys in 2014. After his first season of professional baseball he was ranked a top 10 prospect in the Orioles organization. He also was rated the organizations best defensive outfielder in 2012 and the fastest baserunner in 2010, 2011 and 2012. During his time in the Minors Glynn won two Championships in 2011 with the Frederick Keys and in 2015 with the Bowie Baysox.
Glynn is married and currently living in Pasadena, Maryland.