Answered April 19th, 2019

Ernie Banks crushes his 40th homer to set the new single-season record by a shortstop. He finished with 44 then topped himself with 47 in 1958 - which stood as the record until A-Rod broke it with 52 in 2001.

Who was the first shortstop with 40 HR in a season?
Interpreted as:
Who was the first shortstop with 40 or more HR in a season?