ID Help, hole in garden

Does anyone know what animal makes a hole like this? It is about the size of a baseball and goes at least 2ft deep underground. We patched it once but it reappeared. Thanks in advance for the help!

Does anyone know what animal makes a hole like this? It is about the size of a baseball and goes at least 2ft deep underground. We patched it once but it reappeared. Thanks in advance for the help!