While individual baseball franchises often retire numbers to honor legendary players, the prominent display of the number 4 or specific commemorative patches across Major League Baseball uniforms typically points toward historic leaguewide honors, such as the permanent retirement of Jackie Robinson's iconic number 42 across all professional teams. Within specific team histories, retired numbers are permanently enshrined on outfield flags or stadium walls to celebrate organizational greats rather than appearing as a standard uniform fixture for active players, ensuring that historic figures are forever remembered by the franchise and its supporters.