several rules changes during the first third of the 20th century had a profound impact on the game, mostly in opening up the passing game. In 1914, the first roughing-the-passer penalty was implemented. In 1918, the rules on eligible receivers were loosened to allow eligible players to catch the ball anywhere on the field—previously strict rules were in place only allowing passes to certain areas of the field. Scoring rules also changed during this time: field goals were lowered to three points in 1909 and touchdowns raised to six points in 1912. Star players that emerged in the early 20th century include Jim Thorpe, Red Grange, and Bronko Nagurski; these three made the transition to the fledgling NFL and helped turn it into a successful league. Sportswriter Grantland Rice helped popularize the sport with his poetic descriptions of games and colorful nicknames for the game's biggest players, including Notre Dame's "Four Horsemen" backfield and Fordham University's linemen, known as the "Seven Blocks of Granite". In 1907 at Champaign, Illinois Chicago and Illinois played in the first game to have a halftime show featuring a marching band. Chicago won 42–6. On November 25, 1911 Kansas and Missouri played the first homecoming football game. The game was "broadcast" play-by-play over telegraph to at least 1,000 fans in Lawrence, Kansas. It ended in a 3–3 tie. The game between West Virginia and Pittsburgh on October 8, 1921, saw the first live radio broadcast of a college football game when Harold W. Arlin announced that year's Backyard Brawl played at Forbes Field on KDKA. Pitt won 21–13. On October 28, 1922, Princeton and Chicago played the first game to be nationally broadcast on radio. Princeton won 21–18 in a hotly contested game which had Princeton dubbed the "Team of Destiny." Notable intersectional games In 1906 Vanderbilt defeated Carlisle 4–0, the result of a Bob Blake field goal. In 1907 Vanderbilt fought Navy to a 6–6 tie. In 1910 Vanderbilt held defending national champion Yale to a scoreless tie. Helping Georgia Tech's claim to a title in 1917, the Auburn Tigers held undefeated, Chic Harley led Big Ten champion Ohio State to a scoreless tie the week before Georgia Tech beat the Tigers 68–7. The next season, with many players gone due to World War I, a game was finally scheduled at Forbes Field with Pittsburgh. The Panthers, led by halfback Tom Davies, defeated Georgia