Jordan Schultz of Fox Sports reports that the NFL is updating its uniform policy to allow teams to wear throwback or alternate uniforms up to four times per season. Philadelphia last wore Kelly Green jerseys (and helmets) in the 2010 season. Shortly after, the NFL implemented a rule requiring teams to have only one color as a safety precaution.

The annual league meeting is underway, and a new rule regarding alternative uniforms has already been approved.

Fox Sports' Jordan Schultz reported Monday the NFL is altering its uniform policy to allow teams to wear their throwback and alternate jerseys more often in the future. The new policy will permit teams to wear such uniforms up to four times throughout a single season.