Soft, mushy spots that feel overly squishy
Large sunken areas or collapsed skin
Dark brown or black flesh throughout
Gray, stringy, or moldy-looking flesh
Sour, rancid, or fermented smell
Visible mold on the skin or inside
Bitter, off, or unpleasant taste
Skin that is extremely shriveled and dried out
Flesh that is watery or separated badly
Stem area that looks moldy, black, or rotten