Chicago White Sox Non Roster Invitees 2020 (Part 1): Drew Anderson- Has made his Debut in the MLB during his career. Is 25 years old and has played 3 seasons in his major league career. Will be 1 of 16 Pitchers that was not on the roster but invited to spring training. Ryan Burr- Is 25 years old and has made his MLB Debut. Has played 2 major league seasons in his career so far. Ross Detwiler- Will be a Pitcher attending Spring Training. Is 33 years old and has an average era of 4.60 in his MLB career. Caleb Frare- Is 26 years old and has played 2 seasons in the majors throughout his career so far. Has an average era of 6.52 throughout his major league career. Tayron Guerrero- Is 29 years old and has made his MLB Debut in his baseball career. He has played 3 seasons in the majors so far. Will be 1 of the 16 Pitchers in this years Spring Training. Codi Heuer- Is 23 years old and has not made his MLB Debut. Has played 2 seasons in the minors and so far in his minor league career has an ...