Ruth was baseball's first megastar, but he played like he got paid—spending lavishly on cars, women, and high living while earning peak salaries in the $80K range (roughly $1.3M today). Gehrig, by contrast, embodied the quiet accumulator archetype: he negotiated longer-term security with the Yankees, locked in stable endorsement deals with companies like Christy Walsh's management firm, and crucially, didn't blow his winnings on excess. While Ruth made more per year at his peak, Gehrig's 17-year Yankees tenure meant compound earnings Ruth never achieved—he was baseline wealthy rather than flashy wealthy.

The real gap comes down to endorsement strategy and timing. Ruth's barnstorming tours were lucrative but unsustainable and eventually damaged his brand; Gehrig's fewer but more selective partnerships (batting gloves, breakfast cereals, life insurance) positioned him as trustworthy rather than desperate for every dollar. Ruth also faced the Depression's worst years while still spending like the 1920s boom would never end. Gehrig, diagnosed with ALS in 1939, had already built an estate that held value because it wasn't anchored to his playing career.

Perhaps most damning: Ruth's $8M net worth came from roughly $2M in actual career earnings that he nearly squandered, while Gehrig's $20M reflected disciplined capital allocation over decades. Ruth was the better athlete and bigger celebrity—he just treated money like a teenager with a first credit card. Gehrig proved that in old-money wealth building, consistency and boring financial decisions beat charisma and spending sprees every single time.