I'm pretty sure that isn't true. Love to see the source though!

I've read in a couple of different places that the Mike Jacobs decided the REAL weights, 204.5 and 169, just had too big a disparity for a smart boxing crowd like NYC's to be credible. The fight was being held outdoors at the Polo Grounds so they wanted to sell every seat they could in a place that could hold 60,000 for a fight. So he dropped Louis five and raised Conn five to narrow the gap to 25 pounds.

Louis himself claimed to earn the public's approval, he ketpr training right up to the fight so he'd come in under 200.

I suspect one of those things we'll never get to the bottom of.