Soft, mushy, or leaking spots
Mold on the skin or flesh
Dark, black, or rotten patches
Strong sour, fermented, or unpleasant smell
Wrinkled, shriveled, or overly dried-out skin
Slimy texture
Sprouting with extensive softening or decay
Flesh that is brown, black, or discolored throughout
Bitter or off taste after cooking
Visible insect damage or deep holes with decay