28-year-old Tyrirk Harris of Tacony was found guilty back in February of third degree murder.
The victim, 47-year-old Franklin Manuel Santana, was shot and killed on Valentine's Day in 2012.
Santana and his wife Roxanne had just welcomed a six-week-old baby.
Roxanne said her husband had just gotten home from work when he noticed that Harris' dogs, a German shepherd and a Chihuahua, had defecated in his yard.
Neighbors say Santana asked Harris to clean it up. Instead, witnesses said Harris shot Santana in the face and four times in the back, killing him.