Former Grain Valley football coach Forrest Rovello, right, poses with current head coach David Allie at the 100th anniversary celebration party Saturday at Iron Kettle in downtown Grain Valley. Rovello won school-record 133 games as the Eagles' head coach before retiring. Photo Credit: Bill Althaus/The Examiner
By Bill Althaus When Forrest Rovello first arrived at Grain Valley High School – way, way back when the Eagles were a Class 2A program…