Kramer threw out the first pitch Monday at Citizens Bank Park.
She told DeGeneres she has started to volunteer and raise money for Striking Out Cancer, which raises money for pediatric cancer at The Children's Hospital of Philadelphia.
DeGeneres donated $10,000 to the hospital.
Todd Zolecki is a reporter for MLB.com. Read his Phillies blog The Zo Zone. Follow him on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.