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In , defensive backs (DBs), also called the secondary, are the players on the defensive side of the ball who play farthest back from the line of scrimmage. They are distinguished from the other two sets of defensive players, the defensive linemen who play directly on the line of scrimmage, and the 
Besides the standard set of defensive backs, teams may also remove a defensive lineman or a linebacker and replace them with an additional defensive back. The fifth defensive back is commonly called the
In , defensive backs (DBs), also called the secondary, are the players on the defensive side of the ball who play farthest back from the line of scrimmage. They are distinguished from the other two sets of defensive players, the defensive linemen who play directly on the line of scrimmage, and the linebackers
Linebacker (LB) is a playing position in gridiron football. Linebackers are members of the defensive team, and line up three to five yards behind the line of scrimmage and the defensive linemen. They are the "middle ground" of defenders, pla ...
, who play in the middle of the defense, between the defensive line and the defensive backs.
Among the defensive backs, there are two main types, cornerback
A cornerback (CB) is a member of the defensive backfield or secondary in gridiron football. Cornerbacks cover receivers most of the time, but also blitz and defend against such offensive running plays as sweeps and reverses. They create tur ...
s, which play nearer the line of scrimmage and the sideline, whose main role is to cover the opposing team's wide receivers, and the safeties
Safety is the condition of being protected against harmful conditions or events, or the control of hazards to reduce risk.
Safety may also refer to:
Places
* Safety Island, Antarctica
Government
* The Internet Stopping Adults Facilitating t ...
, who play further back near the center of the field, and who act as the last line of defense. American defensive formations usually includes two of each, a left and right cornerback, as well as a strong safety
Safety is a position in gridiron football on the defense. The safeties are defensive backs who line up ten to fifteen yards from the line of scrimmage. There are two variations of the position: the free safety and the strong safety. Their dut ...
and a free safety
Safety is a position in gridiron football on the defense. The safeties are defensive backs who line up ten to fifteen yards from the line of scrimmage. There are two variations of the position: the free safety and the strong safety. Their dut ...
, with the free safety tending to play further back than the strong safety. In Canadian football
Canadian football () is a team sport, sport played in Canada in which two teams of 12 players each compete for territorial control of a field of play long and wide attempting to advance a pointed oval-shaped ball into the opposing team's sco ...
, which has twelve players on the field compared to the eleven of American football
American football (referred to simply as football in the United States and Canada), also known as gridiron, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense, the team with ...
, there is an additional position called defensive halfback
The halfback in Canadian football, and most commonly the Canadian Football League, currently refers to the defensive back rather than the running back, as in American football. The defensive halfback lines up inside covering the slotback. They a ...
, which plays like a hybrid between a linebacker and cornerback. Canadian formations include two cornerbacks, two halfbacks and one safety, for a total of five defensive backs.
Besides the standard set of defensive backs, teams may also remove a defensive lineman or a linebacker and replace them with an additional defensive back. The fifth defensive back is commonly called the nickelback
Nickelback is a Canadian Rock music, rock band formed in 1995 in Hanna, Alberta. It is composed of guitarist and lead vocalist Chad Kroeger, guitarist, keyboardist and backing vocalist Ryan Peake, bassist Mike Kroeger, and drummer Daniel Adai ...
(so named because a five-cent coin in the U.S. and Canada is called a nickel
Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Pure nickel is chemically reactive but large pieces are slow to ...
). By extension, a sixth defensive back is called a dimeback
In American football, a dimeback is a cornerback or safety who serves as the sixth defensive back (fourth cornerback, third safety; and in some rare cases, a fourth safety) on defense. The third cornerback or safety on defense is known as a nicke ...
(because the next value coin in the U.S. and Canada is called a dime). Rarely, teams may employ seven or even eight defensive backs.
Historic notable defensive backs include Hall-of-Famers Dick "Night Trane" Lane, Mike Haynes, Ronnie Lott
Ronald Mandel Lott (born May 8, 1959) is an American former professional football player who was a cornerback and safety in the National Football League (NFL) for 14 seasons during the 1980s and 1990s.
Lott played college football for the Univ ...
, and Troy Polamalu
Troy Aumua Polamalu (; born Troy Benjamin Aumua; April 19, 1981) is an American former football strong safety who played his entire 12-year career for the Pittsburgh Steelers of the National Football League (NFL).
He played college football ...
, Deion Sanders (aka "Primetime"), and Ed Reed
Edward Earl Reed Jr. (born September 11, 1978) is an American former football safety in the National Football League (NFL), spending the majority of his career with the Baltimore Ravens. He played college football for the Miami Hurricanes, wher ...
, among others. In 2019, the National Football League released its all-time team in honor of the league's 100th anniversary, in which the top defensive backs in its history were noted and honored.
Longtime National Football League
The National Football League (NFL) is a professional American football league that consists of 32 teams, divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the ...
executive and renowned former general manager of the Dallas Cowboys
The Dallas Cowboys are a professional American football team based in the Dallas–Fort Worth metroplex. The Cowboys compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) East divisi ...
, Gil Brandt
Gil Brandt (born March 4, 1932) is an American former football executive who was the vice president of player personnel in the National Football League (NFL) for the Dallas Cowboys from 1960 to 1988. He is a graduate of the University of Wisconsi ...
released a list of the top cornerbacks of all time.
See also
*Defensive Specialist
In arena football, a specialist was a player, other than a quarterback
The quarterback (commonly abbreviated "QB"), colloquially known as the "signal caller", is a position in gridiron football. Quarterbacks are members of the offensive plato ...
(arena football)
* American football positions
In American football, the specific role that a player takes on the field is referred to as their "position". Under the modern rules of American football, both teams are allowed 11 players on the field at one time and have "unlimited free substitu ...
References
{{Authority control American football positions