The Buffalo Bills revealed they'd wear "3" patches on their uniforms as they host the New England Patriots in their season finale. The team will also have hats with Hamlin's number.
The rest of the NFL is donning Hamlin gear in warmups, too. The NFL and NFL Players Association asked Fanatics to make 150 black T-shirts that read "Love for Damar 3" for each home team to share with its opponent for pregame warmups in Week 18.
All 32 NFL teams are expected to read a special message before kickoff in solidarity of Hamlin.
Hamlin went into cardiac arrest on the field in the Bills' game against the Bengals on Monday. The NFL postponed the game in the first quarter and canceled it four days later.
Hamlin is recovering in the intensive care unit at University of Cincinnati Medical Center but his breathing tube has been removed. He was able to FaceTime with Bills teammates and has posted to Instagram and Twitter.
Here are photos of players from across the league on Sunday, including Joe Burrow and Tee Higgins of the Cincinnati Bengals.
Cincinnati Bengals quarterback Joe Burrow (9) warms up in a shirt in support of Buffalo Bills safety Damar Hamlin during pregame before an NFL football game against the Baltimore Ravens, Sunday, Jan. 8, 2023, in Cincinnati. (AP Photo/Emilee Chinn)
Buffalo Bills quarterback Josh Allen wears the number 3 in support of safety Damar Hamlin during practices before an NFL football game against the New England Patriots, Sunday, Jan. 8, 2023, in Orchard Park, N.Y. Hamlin remains hospitalized after suffering a catastrophic on-field collapse in the team's previous game against the Cincinnati Bengals. (AP Photo/Jeffrey T. Barnes)
New England Patriots quarterback Mac Jones wears the number 3 in support of Buffalo Bills safety Damar Hamlin during practice before an NFL football game, Sunday, Jan. 8, 2023, in Orchard Park, N.Y. Hamlin remains hospitalized after suffering a catastrophic on-field collapse in the team's previous game against the Cincinnati Bengals. (AP Photo/Adrian Kraus)
NFL Commissioner Roger Goodell signs autographs before an NFL football game between the Buffalo Bills and New England Patriots on Sunday, Jan. 8, 2023, in Orchard Park, N.Y. (AP Photo/Joshua Bessex)
Cincinnati Bengals wide receiver Tee Higgins (85) warms up in a shirt in support of Buffalo Bills safety Damar Hamlin during pregame before an NFL football game against the Baltimore Ravens, Sunday, Jan. 8, 2023, in Cincinnati. (AP Photo/Emilee Chinn)
Jacksonville Jaguars quarterback Trevor Lawrence warms up wearing a shirt honoring injured Buffalo Bills player Damar Hamlin before an NFL football game against the Tennessee Titans, Saturday, Jan. 7, 2023, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)
Minnesota Vikings wide receiver Justin Jefferson wears a shirt honoring injured Buffalo Bills player Damar Hamlin before an NFL football game against the Chicago Bears, Sunday, Jan. 8, 2023, in Chicago. (AP Photo/Kamil Krzaczynski)
Cincinnati Bengals wide receiver Ja'Marr Chase (1) warms up in a shirt in support of Buffalo Bills safety Damar Hamlin during pregame before an NFL football game against the Baltimore Ravens, Sunday, Jan. 8, 2023, in Cincinnati. (AP Photo/Emilee Chinn)
Miami Dolphins kicker Jason Sanders (left) and Miami Dolphins long snapper Blake Ferguson (44) wear a t-shirts displaying "Love for Damar 3" in support of Buffalo Bill safety Damar Hamlin, walk on the field before an NFL football game against the New York Jets, Sunday, Jan. 8, 2023, in Miami Gardens, Fla. (AP Photo/Doug Murray)
New Orleans Saints defensive end Cameron Jordan (94) wears the number 3 in support of Buffalo Bills safety Damar Hamlin before an NFL football game against the Carolina Panthers, Sunday, Jan. 8, 2023, in New Orleans. (AP Photo/Tyler Kaufman)
Indianapolis Colts linebacker Shaquille Leonard, wearing a shirt in support of Buffalo Bills safety Damar Hamlin, takes a photo with fans before an NFL football game between the Houston Texans and Indianapolis Colts, Sunday, Jan. 8, 2023, in Indianapolis. (AP Photo/Darron Cummings)
Former NFL quarterback Robert Griffin III walks on the sideline wearing a jersey honoring injured Buffalo Bills player Damar Hamlin during halftime of an NFL football game between the Jacksonville Jaguars and the Tennessee Titans, Saturday, Jan. 7, 2023, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)
NFL down judge Danny Short wears a shirt wearing a shirt honoring injured Buffalo Bills player Damar Hamlin before an NFL football game between the Jacksonville Jaguars and the Tennessee Titans, Saturday, Jan. 7, 2023, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)
Carolina Panthers quarterback Sam Darnold warms up wearing a T-shirt in support of Damar Hamlin before an NFL football game between the Carolina Panthers and the New Orleans Saints in New Orleans, Sunday, Jan. 8, 2023. (AP Photo/Butch Dill)
Buffalo Bills players wear the number 3 in support of safety Damar Hamlin during practice before an NFL football game against the New England Patriots, Sunday, Jan. 8, 2023, in Orchard Park, N.Y. Hamlin remains hospitalized after suffering a catastrophic on-field collapse in the team's previous game against the Cincinnati Bengals. (AP Photo/Adrian Kraus)
"Love for Damar 3" is displayed in honor of an injured Buffalo Bills player Damar Hamlin inside the Mercedes-Benz Stadium before an NFL football game, Sunday, Jan. 8, 2023, in Atlanta. (AP Photo/John Bazemore)
Arizona Cardinals defensive end J.J. Watt wears a shirt for Damar Hamlin while gesturing toward fans before an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Jan. 8, 2023. (AP Photo/Jed Jacobsohn)
San Francisco 49ers tight end George Kittle wears a shirt for Damar Hamlin during warms up before an NFL football game against the Arizona Cardinals in Santa Clara, Calif., Sunday, Jan. 8, 2023. (AP Photo/Godofredo A. Vásquez)
The Houston Texans and Indianapolis Colts gather on the field before their NFL football game in support of Buffalo Bills safety Damar Hamlin, Sunday, Jan. 8, 2023, in Indianapolis. (AP Photo/AJ Mast)
Denver Broncos linebacker Randy Gregory (5) wears a T-shirt in a show of support for Buffalo Bills safety Damar Hamlin before an NFL football game against the Los Angeles Chargers in Denver, Sunday, Jan. 8, 2023. (AP Photo/David Zalubowski)
A fan holds a sign in a show of support for Buffalo Bills safety Damar Hamlin before an NFL football game between the Denver Broncos and the Los Angeles Chargers in Denver, Sunday, Jan. 8, 2023. (AP Photo/David Zalubowski)
Houston Texans head coach Lovie Smith observes a moment of silence with Texans and Indianapolis Colts players before their NFL football game in support of Buffalo Bills safety Damar Hamlin, Sunday, Jan. 8, 2023, in Indianapolis. (AP Photo/Darron Cummings)
Spectators hold signs in honor of Buffalo Bills safety Damar Hamlin prior to an NFL football game between the Philadelphia Eagles and the New York Giants, Sunday, Jan. 8, 2023, in Philadelphia. (AP Photo/Matt Rourke)
