Soft, mushy, or shriveled texture
Dark spots, mold, or visible rot
Strong sour, musty, or unpleasant smell
Green skin or green patches
Sprouts with extensive softness or wrinkling
Leaking liquid or wet, slimy areas
Hollow, black, or discolored interior when cut open
Taste that is bitter or off
Excessive wrinkling and dehydration
Signs of insect damage or decay