Bob Craig, Navy halfback, is shown going over the line of scrimmage during the Navy football team's practice session today. Craig, who hails from...
First quarter action in the Ram-Colts Game shows Colt Quarterback, Johnny Unitas, as he was thrown for a loss behind his own scrimmage line by Dave...
Bloomington, Minn.: San Francisco 49ers quarterback Norm Snead isn't going anywhere but down to the ground as he is grabbed behind the line of...
San Francisco 49ers' quarterback Joe Montana is shown on the line of scrimmage with his teammates in this photo taken during a game versus the...
Itica, NY-ORIGINAL CAPTION READS: Picture shows the Cornell University football team line-up at a scrimmage during practice.
Evanston, IL- One-armed Tulsa guard Ellis Jones is back for first line scrimmage practice at Dyche Stadium, Evansont, where the All-Stars are...
In the third quarter of game between Cleveland Browns and New York Giants, Browns' star Jim Brown bolted 32 yards from scrimmage for a touchdown....
First quarter action in the Ram-Colts Game shows Colt Quarterback, Johnny Unitas, as he was thrown for a loss behind his own scrimmage line by Dave...
Sammy Baugh chuckles on the bench over a yarn told by Harry Wismer during a lull in a scrimmage at the Washington Redskins training camp at...
Tony Dorset springs to a Dallas Cowboys touchdown in the 3rd quarter as Chicago Bears Doug Plank is sent flying by a block at the line of scrimmage.
Saints' running back Jess Phillips is stopped in his tracks at the line of scrimmage by Miami Dolphins' linebacker Nick Buoniconti during a game at...
Walter Chauncey Camp, , American football coach, born in New Britain, Connecticut, invented the art of football scrimmage, 11-man team, the gird iron...
Ted Kennedy , Harvard end, grimaces in despair as the Ball sails past, too high, in the Yale end zone, on a pass from behind a scrimmage line at the...
Nighttime American football game in the rain, opposing teams crouched on the line of scrimmage while umbrella-covered spectators fill the bleachers...
San Francisco Quarterback Joe Montana calls a play during game action of Los Angeles Raiders vs San Francisco 49'ers, August 6, 1983 in Los Angeles,...
Players number 34 and 5 engage with teammates and officials in an unofficial scrimmage in 5-star football game, 1968.
Aspiring actress Lola Holly pauses to powder her nose during a football scrimmage, Hollywood, California, mid to late 1920s.
Tom Brady of the New England Patriots gestures at the line of scrimmage in the first quarter against the Denver Broncos in the AFC Championship game...
The Alabama Crimson Tide defensive line gets set at the line of scrimmage against the Michigan Wolverines offensive line during the CFP Semifinal...
John Elway, Quarterback for the Denver Broncos calls the play on the line of scrimmage during the American Football Conference West game against the...
Lester Holmes, Guard for the Philadelphia Eagles with his arm in a plaster cast during the National Football Conference East game against the...
John Elway, Quarterback for the Denver Broncos calls the play on the line of scrimmage during the American Football Conference West game against the...
John Elway, Quarterback for the Denver Broncos calls the play on the line of scrimmage during the American Football Conference West game against the...
John Elway, Quarterback for the Denver Broncos calls the play on the line of scrimmage during the American Football Conference West game against the...
John Elway, Quarterback for the Denver Broncos calls the play on the line of scrimmage during the American Football Conference Championship game...
John Elway, Quarterback for the Denver Broncos prepares to hand the ball off during the National Football League Super Bowl XXI game against the...
Lester Holmes, Guard for the Philadelphia Eagles with his arm in a plaster cast during the National Football Conference East game against the...
Gus Frerotte, Quarterback for the Washington Redskins calls the play on the line of scrimmage during the National Football Conference East game...
John Friesz, Quarterback for the Washington Redskins calls the play on the line of scrimmage during the National Football Conference East game...
Todd Collins, Quarterback for the Buffalo Bills calls the play at the line of scrimmage during the American Football Conference East game against the...
The New Orleans Saints center the ball at the line of scrimmage for a long snap against the Minnesota Vikings during the NFC Championship Game at the...
Wide receiver Chad Ochocinco of the Cincinnati Bengals on the line of scrimmage against the San Diego Chargers on December 20, 2009 at Qualcomm...
Ndamukong Suh of the University of Nebraska Cornhuskers rushes to the line of scrimmage during the Pacific Life Holiday Bowl against University of...
Boomer Esiason, Quarterback for the Cincinnati Bengals"r"ncalls the play on the line of scrimmage during the American Football Conference East game...
Boomer Esiason, Quarterback for the Cincinnati Bengals"r"ncalls the play on the line of scrimmage during the American Football Conference East game...
Winfred Tubbs, Linebacker for the San Francisco 49ers looks across the line of scrimmage to Quarterback Ryan Leaf of the San Diego Chargers during...
Chris Chandler, Quarterback for the Indianapolis Colts calls the play on the line of scrimmage during the National Football League pre season game...
Mark Stepnoski, Center Guard for the Tennessee Oilers prepares to take the snap during the American Football Conference Central game against the...
Steve Young, Quarterback for the San Francisco 49ers calls the play on the line of scrimmage during the National Football Conference West Divisional...
Mark Rypien Quarterback for the Washington Redskins calls the play on the line of scrimmage during the National Football Conference East game against...
Colt McCoy of the Texas Longhorns calls the play at the line of scrimmage during the Big 12 Football Championship game against the Nebraska...
Peyton Manning of the Indianapolis Colts gives instructions to his team at the line of scrimmage during the NFL game against the Denver Broncos at...
Bobby Wade of the Kansas City Chiefs goes up at the line of scrimmage against Quentin Jammer of the San Diego Chargers during the NFL game on...
Quarterback Peyton Manning of the Indianapolis Colts calls the play at the line of scrimmage during the NFL game against the San Francisco 49ers at...
Quarterback Andrew Luck of the Stanford Cardinal yells out signals at the line of scrimmage in the first quarter of the game against the Oregon Ducks...
Jeremiah Trotter and Moise Fokou of the Philadelphia Eagles rush the line of scrimmage during a game against the Kansas City Chiefs on September 27,...
The offensive line of the Tennessee Titans, from left, David Stewart, Jake Scott, Kevin Mawae, Eugene Amano and Michael Roos, approach the line of...
General view on the line of scrimmage before the snap during a preseason game between the the New York Jets and the New York Giants at Giants Stadium...
Blake Bortles of the Jacksonville Jaguars calls a play at the line of scrimmage during the second half of their game against the Seattle Seahawks at...
Ian Eriksen of the Eastern Michigan Eagles dives over the line of scrimmage just short of a touchdown against the Miami Ohio Redhawks during the...
Quarterback Russell Wilson of the Seattle Seahawks has his pass batted down at the line of scrimmage during the first quarter of the game at...
Quarterback Ben Roethlisberger of the Pittsburgh Steelers calls plays at the line of scrimmage against the Arizona Cardinals during Super Bowl XLIII...
Justin Hartwig of the Pittsburgh Steelers centers the ball at the line of scrimmage against the Arizona Cardinals during Super Bowl XLIII on February...
General view of the line of scrimmage in the cold during a game between the Pittsburgh Steelers and the Baltimore Ravens during the AFC Championship...
General view at the line of scrimmage before the snap during Super Bowl XLII between the New York Giants and the New England Patriots on February 3,...
Matt Schaub of the Houston Texans signals to his receiver at the line of scrimmage during a game against the Chicago Bears on December 28, 2008 in...
General view of the line of scrimmage before the snap during the game between the New York Jets and the Buffalo Bills on December 14, 2008 at Giants...