<P> The Legion of Boom is the nickname for the defense group of the Seattle Seahawks, a term widely popularized following their emergence in 2011 . The current players are outside cornerbacks Richard Sherman, Shaquill Griffin and Byron Maxwell, inside cornerback Justin Coleman, and safeties Kam Chancellor, Bradley McDougald and Earl Thomas . The group (also known as LOB) quickly earned a reputation for consistently leading the NFL in numerous defensive categories . Their earliest crowning achievement was their team's victory in Super Bowl XLVIII . Since the LOB's inception, the Seahawks defense has led the NFL in minimum points allowed, and the team has finished each season ranked #1 by DVOA metrics . While originally only the defensive back group the term has come to include the entire defense . </P> <P> Before the 2011 season, the Seahawks drafted cornerback Richard Sherman in the 5th round of the 2011 NFL Draft and signed cornerback Brandon Browner as a free agent from the Calgary Stampeders of the Canadian Football League (CFL), adding to 2010 draftees free safety Earl Thomas and strong safety Kam Chancellor . They first met during the 2011 NFL lockout at a charity basketball game put on by Jamal Crawford, and played good team defense together from the start . After an injury to Marcus Trufant, Sherman earned his first career start on October 30, 2011 against the Cincinnati Bengals, marking the first time the four original members started a game together . The group's dominating play over the rest of the 2011 season would inspire the nickname . Brandon Browner would leave the Seattle Seahawks and move to the New England Patriots in the 2014 season, where he eventually won a Super Bowl before playing for New England Patriots . Browner briefly returned as a hybrid safety for the 2016 preseason, but was cut prior to the regular season . </P> <P> The term "Legion of Boom" has been claimed to have been coined on 710 ESPN Seattle's Bob and Groz show on August 2, 2012, when Chancellor appeared on the show, noting the way the secondary "brings the boom". It is also a play on the Legion of Doom supervillain group from DC Comics . A discussion regarding a nickname for the secondary arose, and the term "Legion of Boom" became widespread on Twitter . Shortly thereafter, Google searches for the term skyrocketed . The term became commonly used in the media by sources like NFL.com and ESPN commentator Jon Gruden . Nike currently offers "Legion of Boom" branded apparel as the group grows in popularity . An ESPN feature found the "Legion of Boom" comparable to nicknamed great defenses such as the Monsters of the Midway, Big Blue Wrecking Crew, Steel Curtain and the Doomsday Defense . </P> <P> The unit's aggressive nature is notable in an era where the NFL has placed particular emphasis on player safety . Seahawks defensive coordinator Kris Richard, who was the defensive backs coach during the Super Bowl season, built the Legion of Boom into a unit that hits hard while staying within the rules . The receivers run routes with shields strapped to their chests that run from neck to mid-thigh, and the defensive backs are taught to keep their hits within that area in order to limit penalties for blows to the head . Bleacher Report described the Legion of Boom as a monument both to Richard and head coach Pete Carroll, who was a safety himself in his playing days and a defensive backs coach in his early coaching career . Carroll also studied taller cornerback tandems like Mike Haynes and Lester Hayes when assembling the core of defensive backs . </P>

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