first spring practice in collegiate football. 1891 November 21, again in Springfield, MA, again Harvard and Yale undefeated and untied for the contest and Yale won 10–0. Yale finished the season with a 13–0 record. Harvard, nursing a 23-game win streak over two seasons, ended the season 13–1. The play of the game was a fumble returned for a touchdown by Laurie Bliss. Frank Hinkey separated Crimson back Hamilton Forbush Corbett from the ball that Bliss retrieved on the fly. 1892 Harvard introduced the flying wedge to football November 19 at the beginning of the second half before 21,000 spectators. Captain Vance McCormack warned his Yale teammates upon witnessing the formation, "Boys, this is something new but play the game as you have been taught. Keep your eyes open and do not let them draw you in". Lorin F. Deland, an unpaid adviser to the Harvard team and an avid chess player, suggested the tactic. Yale won, 6–0. The flying wedge was outlawed two years after its introduction. Bergin writes: "The legacy of the wedge is perceptible in the austere rules of today's game, by which a 'man in motion' can run away from the line literally, but if he takes a step forward before the ball is snapped his team is penalized. Offensive lineman must not move a muscle or even turn their heads before the snap." Deland would coach Harvard for three games in 1895 and co-author with Walter Camp the seminal Football published in 1896. Mass-momentum plays based on the flying wedge were the rage in the sport. The result was mayhem that eventually prompted intervention in 1905 by Teddy Roosevelt to help reform rules governing play. 1894 November 24 Yale won, 12–4, in Springfield, MA at Hampden Park. The contest, a bloody mess of a game, is known for on-field and off-field violence. In an era before players employed protective equipment of any type, the result of rough play was a given; however, competition between the Yale and Harvard football programs was placed on hiatus, seven players denoted in "dying condition" after the contest, according to the German daily newspaper Munchener Nachrichten. Frank Hinkey has been alleged to have broken the collarbone of a Harvard player following a fair catch. Yale tackle Fred Murphy broke the nose of Harvard's Bob Hallowell during an official's conference; in turn, Murphy absorbed a hard hit later in the contest