A New Jersey teacher is awaiting an experience Saturday night that any Phillies fan would envy. Kelly Fleck, 23, is one of 19 Phillies Ballgirls, and Game 4 against the San Diego Padres in Philadelphia is her turn in the spotlight. Whenever a baseball is hit toward foul territory in left field, watch for Fleck. She’ll be wearing Phillies uniform #22 (representing the year) and using the same glove from her days playing shortstop for the Lacey Township High School softball team. Her role with the team — Phillies Ballgirls also serve as ambassadors for the team and attend home games when not ass…