MLB teams will be limited to four different uniforms in 2023

MLB's New Rules Have Baseball in Overdrive - The New York Times

MLB News: MLB Draft: How can players be drafted in a professional baseball team?

MLB uniforms will have advertising beginning in the 2023 season - The Boston Globe

Nike's new jersey rule will almost certainly affect the Phillies Phillies Nation - Your source for Philadelphia Phillies news, opinion, history, rumors, events, and other fun stuff.

MLB Bans the Shift and Adds a Pitch Clock for 2023 - The New York Times

Report: Phillies remove sleeve numbers to make way for jersey ad

Ranking 2023 MLB teams by tiers