Colorado Rockies Non Roster Invitees 2020 (Part 4): Alan Trejo- Has not made his Debut in the MLB. Is 23 years old and has minor league experience. Will be 1 of the 7 Infielders that was not on roster invited to spring training. Ryan Vilade- Is 21 years old and hasn’t made his MLB Debut. Has played 3 seasons in the minors during his career so far. Colton Welker- Will be an Infielder attending Spring Training. Is 22 years old and is one of seven Infielders attending Spring Training not on the roster. Mike Gerber- Is 27 years old and has made his Debut in the MLB. Has played 2 seasons in the majors so far in his career. •#colorado #rockies #coloradorockies #baseball #pitchers #catchers #infielders #outfielders #milb #mlb #st #springtraining #alan #trejo #alantrejo #ryan #vilade #ryanvilade #colton #welker #coltonwelker #mike #gerber #mikegerber