Yeah here are the average age of position/pitcher groups relative to league average for all the Brewers minor league teams.
Carolina Position Players - 19.8 years old vs 20.9 league average (-1.1 years), 12th oldest out of 12
Carolina Pitchers - 21.6 years old vs 21.7 league average (-0.1 years), 7th oldest out of 12
Wisconsin Position Players - 22.0 years old vs 22.5 league average (-0.5 years), 10th oldest out of 12
Wisconsin Pitchers - 22.9 years old vs 23.3 league average (-0.4 years), 10th oldest out of 12
Biloxi Position Players - 22.5 years old vs 23.8 league average (-1.3 years), 8th oldest out of 8
Biloxi Pitchers - 24.3 years old vs 24.3 league average (0.0 years), 5th oldest out of 8
Nashville Position Players - 27.7 years old vs 26.6 league average (+1.1 years), 7th oldest out of 20
Nashville Pitchers - 28.0 years old vs 27.3 league average (+0.7 years), 4th oldest out of 20
Outside of Nashville, every single position/pitcher group is in the younger half of the league.