[1] After high school, he enrolled at Washington University in St. Louis, where he played college baseball.
[2] Loutos went unselected in the 2021 Major League Baseball draft and signed with the St. Louis Cardinals as an undrafted free agent.
[7] He was selected to play in the Arizona Fall League for the Salt River Rafters after the season.
[11] Loutos made his Major League debut on Saturday, June 1, in the bottom of the eighth inning against the Philadelphia Phillies.
He threw one scoreless inning but did walk Brandon Marsh and gave up a hit to Edmundo Sosa.