This is article #20 in a series covering the origins of football’s terminology. All are available under the Terminology tab above. My book, Hut! Hut! Hike! describes the emergence of more than 400 football terms. Few football terms combine a sense of joy and horror as does “two-a-days.” The term brings delight and optimism in that every team begins practice anticipating a winning season, but the start of practice comes with the knowledge that difficult times on dusty fields are ahead.