In 1895, Warner decided to quit his job as an attorney.He wrote to several universities and was eventually hired by the University of Georgia as its new head football coach for the 1895 season at a salary of $34 per week.

That year Cornell lost to Michigan, marking the first occasion that team was able to beat an Ivy League team.

Warner was known as "Pop" because he was the oldest player on the Cornell team.

After graduation Warner briefly worked as an attorney in Buffalo, New York.

Glenn Scobey Warner (April 5, 1871 – September 7, 1954), most commonly known as Pop Warner, was an American football player and coach.

He served as the head coach at the University of Georgia (1895–1896), Iowa State University (1895–1899), Cornell University (1897–1898, 1904–1906), the Carlisle Indian Industrial School (1899–1903, 1907–1914), the University of Pittsburgh (1915–1923), Stanford University (1924–1932), and Temple University (1933–1938), compiling a career college football record of 319–106–32.

Warner coached four teams to national championships: in 1915, 1916, and 1918 with Pittsburgh and in 1926 with Stanford.

He was inducted as a coach into the College Football Hall of Fame in 1951.

Warner also contributed to a junior football program that became known as Pop Warner Little Scholars, a popular youth American football organization.

Glenn Scobey Warner was born on April 5, 1871, in Springville, New York.