Here is a list of every American League rookie since 1977 with 17+ games started and an ERA of 2.55 or less:
Noah Cameron, 2025.
Here is that list again in case you missed it:
Noah Cameron, 2025.
Caitlin Clark - Des Moines
Jack Campbell - Cedar Falls
George Kittle - Cedar Falls
Tristan Wirfs - Mount Vernon
TJ Hockenson - Chariton
Riley Moss - Ankeny
Cooper DeJean - Odebolt
Harrison Barnes - Ames
Dan Gable - Waterloo
Kurt Warner - Burlington
Allen Lazard -Urbandale