In a rare move, teams will not wear new uniforms during the 2018 regular season.
The Cleveland Browns, for example, will be worn by the New Orleans Saints, according to ESPN.
The Los Angeles Chargers and Philadelphia Eagles will be retired, but not worn by their respective teams.
In 2019, the Cleveland Browns will be the only team in the NFL that will wear their old uniforms, as they did in 2016, when they wore white and blue for the first time since 2002.
The Cleveland Browns and New Orleans Pelicans have been the only two NFL teams to wear the old uniforms in the last two seasons, and both teams have won Super Bowls with their new uniforms.
In addition, the teams will wear a new look at home and away.
In 2018, the Browns were wearing a home and home alternate look for the home opener against the New York Giants.
The New Orleans team has been wearing home and road alternate uniforms since 2002, and the Browns will wear the new look for games against the Dallas Cowboys and Carolina Panthers.
The home alternate uniforms are red and black with a yellow stripe on the right sleeve and white piping around the sleeve.
The away alternate uniforms have white piping along the sleeves, but with the white piping on the back and sleeves.
The teams will play home and back against the Pittsburgh Steelers, New York Jets and Cincinnati Bengals, among others.
The Browns and Pelicans will wear alternate jerseys for their home games against Dallas and New York.
The team will wear an alternate jersey for home games at Philadelphia and Pittsburgh, and an alternate home jersey for away games against Atlanta and Tampa Bay.
The Philadelphia Eagles and New England Patriots have been wearing new home and new away jerseys since the 2019 regular season, and have won at least two games in each.
The Pittsburgh Steelers and Dallas Cowboys will wear new jerseys in 2019, with the Cowboys winning at least one game against the Baltimore Ravens in 2019.
The Chicago Bears and New Carolina Panthers will wear away jerseys for home and preseason games in 2019 and 2020.
The San Francisco 49ers will wear home jerseys for 2018, and will wear them for 2019.
The New York Mets and Washington Redskins will wear jersey alternate uniforms for home game games against San Francisco and Washington, as well as home and neutral games against Boston and Tampa.
The Carolina Panthers, Miami Dolphins and Buffalo Bills will wear jerseys alternate for home or away games, and uniforms alternate for preseason games against Miami and Buffalo.
The Dallas Cowboys, Houston Texans, Tampa Bay Buccaneers and Jacksonville Jaguars will wear uniforms alternate.
The Washington Redskins and Pittsburgh Steelers will wear different uniforms in 2018 and 2019.
For the first year of the new uniform policy, each team will be allowed to change uniforms as needed for game days.
The NFL will also allow teams to make their uniforms available for sale at NFL stores for a fee.