1

Fans in New Orleans hold their infant children during a moment of silence.

2

Tennessee Titans' Chris Johnson

3

4

Fans at Lions-Cardinals

5

Fans hold up a sign of support during a moment of silence in Dallas.

6

Members of the Minnesota Vikings hold hands during a moment of silence before their game in St. Louis against the Rams.

7

The New England Patriots lauched flares, one for each of the 26 victims, prior to the team's game against the 49ers.

8

Kansas City Chiefs players and Oakland Raiders fans observe a moment of silence.

9

Arizona Cardinals fans express their sympathy for the victims of Friday's massacre.

10

Pittsburgh Steelers defensive back DeMarcus Van Dyke.

11

Flags fly at half staff outside University of Phoenix Stadium in Glendale, Ariz.

12

Tampa Bay Buccaneers outside linebacker Adam Hayward 57 and defensive tackle Gerald McCoy 93

13

Chicago Bears cornerback Charles Tillman.

14

New York Giants tight end Martellus Bennett

15

Members of the St. Louis Rams hold hands during a moment of silence

16

Cleveland Browns offensive tackle Joe Thomas, left, tight end Alex Smith 81, and running back Trent Richardson 33 join their teammates in a moment of silence

17

Makayla Ferfecki of Kentucky holds a sign honoring the victims before the first half of Sunday's game between the Giants and Falcons. M

18

New York Giants helmets included handwritten letters SHES, for Sandy Hook Elementary School,

19

Indianapolis Colts guard Mike McGlynn bows his head during a moment of silence Sunday in Houston

20

Ravens fans pause during a moment of silence

21

Houston Texans defensive end J.J. Watt

22

Miami Dolphins team members and young football players hold a moment of silence