From article

“I don’t support giving taxpayer dollars to professional sports stadiums,” he said. “Companies are free to engage or not engage with whatever discourse they want, but clearly … it’s inappropriate to subsidize political activism of a private corporation.”

The Rays declined to comment on the veto or any possible political motivations behind it

https://citizenfreepress.com/breaking/desantis-vetoes-35-million-for-tampa-bay-rays-crowd-goes-wild/