Quarterbacks Blake Bortles and Chad Henne of the Jacksonville Jaguars run to the field before their game against the Houston Texans at EverBank Field...
Jacksonville Jaguars quarterback Blake Bortles throws a pass during the game between the Seattle Seahawks and the Jacksonville Jaguars on December...
Quarterback Blaine Gabbert of the Arizona Cardinals throws a pass during the NFL game against the Los Angeles Rams at the University of Phoenix...
Quarterback Joe Flacco of the Baltimore Ravens throws in the first quarter against the Houston Texans at M&T Bank Stadium on November 27, 2017 in...
Quarterback Fran Tarkenton of the Minnesota Vikings drops back to pass during an NFL football game circa 1977. Tarkenton played for the Vikings from...
Westfield quarterback get off a pass as Westfield plays Centerville in football at Centerville High School in Centerville VA October 20, 2017.
DeMatha quarterback Tyler Lenhart throws a pass during action against Friendship Collegiate in Hyattsville, MD.
Quarterback Kirk Cousins of the Washington Redskins throws a pass during the second quarter of the game against the Kansas City Chiefs at Arrowhead...
Offensive tackle Kirk Chambers of the Buffalo Bills blocks the rush of Ebenezer Ekuban of the Denver Broncos as he protects quarterback Trent Edwards...
Quarterback K.J. Black of the Western Kentucky Hilltoppers looks to make a pass play against the Kentucky Wildcats during the game at Commonwealth...
Quarterback K.J. Black of the Western Kentucky Hilltoppers gets tackled by the Kentucky Wildcats during the game at Commonwealth Stadium on September...
Quarterback K.J. Black of the Western Kentucky Hilltoppers looks to run with the ball against the Kentucky Wildcats during the game at Commonwealth...
Quarterback K.J. Black of the Western Kentucky Hilltoppers looks to make a play with the ball against the Kentucky Wildcats during the game at...
Quarterback Michael Desormeaux of the Louisiana-Lafayette Ragin' Cajuns throws the ball down field in the first quarter against the Kansas State...
Quarterback Michael Desormeaux of the Louisiana-Lafayette Ragin' Cajuns rolls out in the first quarter against the Kansas State Wildcats on September...
Quarterback Michael Desormeaux of the Louisiana-Lafayette Ragin' Cajuns rushes up field in the fourth quarter past defenders Kevin Rohleder and Ian...
Quarterback Michael Desormeaux of the Louisiana-Lafayette Ragin' Cajuns backs into the end zone for a third quarter touchdown against the Kansas...
Quarterback Brian Griese of the Tampa Bay Buccaneers throws the ball against the Chicago Bears at Soldier Field on September 21, 2008 in Chicago,...
Miami Dolphins quarterback Jay Fiedler leaves the field after a touchdown pass to wide receiver Chris Chambers September 7, 2003 at Pro Player...
Trojans quarterback Sam Darnold during the PAC-12 Football Media Day on July 27, 2017 at Hollywood & Highland in Los Angeles, Calif.
Trojans quarterback Sam Darnold during the PAC-12 Football Media Day on July 27, 2017 at Hollywood & Highland in Los Angeles, Calif.
Quarterback Norm Van Brocklin of the Los Angeles Rams poses for a photograph on July 28, 1955 in Los Angeles, California.
Football: San Francisco 49ers QB Steve Young in action, making pass during game, San Francisco, CA 1/1/1994--1/31/1995舊金山49人隊
Quarterback Gary Kubiak of the Denver Broncos throws a pass against the San Francisco 49ers in Super Bowl XXIV at the Superdome on January 28, 1990...
Linebacker Chris Hanburger of the Washington Redskins sacks quarterback Pat Haden of the Los Angeles Rams at RFK Stadium on December 17, 1977 in...
Oakland Raiders quarterback Daryle Lamonica sets up to pass in a 1972 20-14 win over the Green Bay Packers at Lambeau Field.
The Four Horsemen of Notre Dame, quarterback Harry Stuhldreher, fullback Elmer Leyden, left halfback Jim Crowley, and right hafback Don Miller....美式足球 - 團體運動
Jim Harbaugh, Quarterback for the San Diego Chargers talks to his offensive line in the huddle during the American Football Conference West game...聖地牙哥市, 聖地牙哥電光人隊
Jim Harbaugh, Quarterback for the San Diego Chargers prepares to throw a pass during the American Football Conference West game against the Chicago...
Quarterback Jim Kelly of the University of Miami Hurricanes during a game against the Penn State Nittany Lions in November 1981 in Miami, Florida.邁阿密
Quarterback Chad Henne of the Michigan Wolverines during the NCAA game against the Ball State Cardinals on November 4, 2006 at Michigan Stadium in...
Quarterback Jeff George of the Atlanta Falcons takes to the field and prepares to huddle his team during the game against the Miami Dolphins at Joe...
Quarterback Michael Bishop of the Kansas State Wildcats runs with the ball during the game against the Nebraska Cornhuskers at Wagner Field in...美式足球 - 團體運動
Quarterback Cody Pickett of Washington drops back to throw a pass against Texas during the Holiday Bowl game at Qualcomm Stadium in San Diego,...
Quarterback Peyton Manning of Tennessee fades back in the pocket against Florida during the first quarter of their matchup at Knoxville, Tennessee....
Quarterback James Harris of the San Diego Chargers drops back to pass against the Oakland Raiders at Oakland-Alameda County Coliseum on September 18,...聖地牙哥電光人隊, 奧克蘭突襲者隊
Quarterback Ryan Leaf of the San Diego Chargers passes the ball during the game against the Pittsburgh Steelers at Qualcomm Stadium in San Diego,...聖地牙哥電光人隊
Super Bowl LI: Atlanta Falcons QB Matt Ryan after game vs New England Patriots at NRG Stadium. Houston, TX 2/5/2017 CREDIT: Al Tielemans
Quarterback Joe Montana of the San Francisco 49ers attempts to throw with the defensive end Ed "Too Tall" Jones of the Dallas Cowboys in his face...達拉斯牛仔隊
Quarterback Mason Rudolph of the Oklahoma State Cowboys leaps over defensive back Duke Shelley of the Kansas State Wildcats for a first down during...
Quarterback Brock Osweiler of the Houston Texans tries to listen to plays in the first quarter of the game against the Denver Broncos at Sports...
Quarterback Trent Green of the Kansas City Chiefs during the game against the Oakland Raiders at Arrowhead Stadium in Kansas City, Missouri. The...
Indianapolis Colts quarterback Josh Johnson before the Colts at Texans game at NRG Stadium, Houston, Texas.
Nebraska quarterback Taylor Martinez running the ball on a keeper play against Idaho at Memorial Stadium in Lincoln, Nebraska. Nebraska defeated...
Servite of Anaheim linebacker Jack Savage can't bring down Bishop Gorman of Las Vegas quarterback Tate Martell during a first half run in a...高中
Quarterback Tom Brady of the New England Patriots calls an audible at the line of scrimmage against the Oakland Raiders during the 2005 NFL opening...
Young boys playing American Football during the half time break during the New York Giants V Indianapolis Colts, NFL American Football Pre Season...美式足球 - 團體運動, 兒童, 擒抱
Young boys playing American Football during the half time break during the New York Giants V Indianapolis Colts, NFL American Football Pre Season...美式足球 - 團體運動, 兒童
Young boys playing American Football during the half time break during the New York Giants V Indianapolis Colts, NFL American Football Pre Season...美式足球 - 團體運動, 兒童
Head coach Jeff Fisher, quarterback Jared Goff and general manager Les Snead of the Los Angeles Rams hold up Goff's jersey onstage for the media...傑夫·費雪 - 美式足球
Quarterback Tom Brady of the New England Patriots looks to pass from the pocket against the Philadelphia Eagles in the second quarter of Super Bowl...費城老鷹隊
Quarterback Byron Leftwich of the Jacksonville Jaguars sits and speaks with team staff after getting hurt on a play against the Houston Texans during...