Alolan Diglett's best moveset in Pokémon GO is Metal Claw and Mud Bomb, with 7.29 damage per second, and it can deal 39.8 damage before Alolan Diglett faints. This is true when battling in neutral weather.
All Alolan Diglett movesets ranked
Here is a complete list of Alolan Diglett movesets in Pokémon GO, ranked by their DPS and TDO. You can change the weather and the opposing Pokémon.
|1.||Metal Claw||Mud Bomb||7.29||39.8||11.1|
|5.||Metal Claw||Rock Tomb||6.10||33.3||9.3|