Daulton, the former All-Star catcher who spent parts of 14 seasons with the Phillies, was diagnosed with brain cancer in 2013. After surgery and multiple rounds of chemotherapy, Daulton announced in February he had a clean brain scan.
Since his diagnosis, he has founded The Darren Daulton Foundation, which provides financial aid to those who suffer from brain tumors, brain injuries and brain cancer.
Duaime had her own fight against breast cancer, and the Northeast Philadelphia resident was diagnosed in September 2014. She was named the Phillies' 2016 Honorary Bat Girl.
Both Duaime, who had about 100 friends and family on hand, and Daulton received an ovation before the Phillies' game against the Reds on Sunday.
Stephen Pianovich is a contributor for MLB.com based in Philadelphia. This story was not subject to the approval of Major League Baseball or its clubs.