Bartt's 24 year head coaching career began in 1991 at Centennial High School and he is still coaching softball at Cactus as of this writing. Underwood's teams have won 71% of their games over that span with an Arizona State Title in 2010, 5 State Runners-Up, and an amazing 13 region titles. Coach Underwood served as the Coaches Association All-Star Coach 3 times and the All-Star Assistant Coach twice. Bartt has been his Region Coach of the Year 13 times, and the West Valley Coach of the Year 4 times. Coach Underwood is frequently sought out for clinics and personalized lessons. Coach Underwood has influenced 12 of his former players to undertake coaching softball, some at the Division I level.