Shortstops with at least 120 OPS+ thru age 22

Minimum 1000 PAs. Had to have played at least 50% of games at SS. Data from the Baseball Reference Play Index

Rogers Hornsby    150
Carlos Correa    138
Arky Vaughan    137
Alex Rodriguez    132
Vern Stephens    127
Cal Ripken    126
Jim Fregosi    122

By the way, Hornsby was 2nd in the NL in defensive WAR in both 1917 and 1918 while being almost always a SS (he also played 3 games in the OF in 1918).