[cgjackson222]

Mel Ott was the youngest to hit 40 Home Runs, and did so at the age of 20 in 1929.
Six players (besides Ott) have reached 30 Home Runs at the age of 20: 1) Ted Williams hit 31 in 1939 2) Frank Robinson came the closest to 40 with 38 in 1956 3) Tony Conigliaro hit 32 in 1965 4) Alex Rodriguez hit 36 in 1996 5) Mike Trout hit 30 in 2012 6) Juan Soto hit 34 in 2019.

Two players reached 40 Home Runs at age 21: 1) Eddie Mathews hit 47 in 1953 2) Ronald Acuna Jr. in 2019.

Prince fielder reached 50 Home Runs at age 23 in 2007, the youngest ever.
Five players reached 50 Home Runs at the the age 24: 1) Jimmie Foxx came the closet to 60 when he hit 58 in 1932 2) Ralph Kiner hit 51 in 1947 3) Willie Mays hit 51 in 1955 4) Mickey Mantle hit 52 in 1956 5) Pete Alonso hit 53 in 2019.

Roger Maris was the youngest to reach 60 Home Runs when het hit 61 at age 26 in 1961.
The next youngest was Sammy Sosa, who hit 66 at age 29 in 1998.

Well done everyone.