No maple is harder
Maple is stronger than ash. Ash is still a very durable floor.
There is no 'best' in wood . . . ash is tough, but maple is hard. They are both great for different things.
There are many types of wood that these bats are made of. I would say the 2 most popular are ash and maple. Maple is a harder wood (which I prefer) but the down side is is that it is the kind of wood that splinters which makes it fly through the air. Ash usually just cracks but stays intact when it breaks. They are looking into this as a safety issue but hopefully they don't outlaw maple.
oak, maple, ash
Maple because it has a tighter bond between the grain
Ash is a better performing wood. Maple needs to have more water density removed to make it light enough (2 - 2.5oz drop) for game use. Maple. It holds up far better then ash, although ash is lighter. Its your choice.
Ash or maple.
White ash and maple
Maple, ash, birch
There is Maple, Ash wood (best wood), and there is core wood.