The Strange Case of the Half-Orc Champion - Tribality
The Champion Fighter Reworked: Basic doesn't need to mean bad. : r/UnearthedArcana
Fighter 101: Champion - Posts - D&D Beyond
Martial Archetype: Champion Fighter Revisited - Be the martial paragon you were meant to be with this new version of the iconic fighter subclass. : r/UnearthedArcana