You may get a bit more from Delta CS but don't count on it.
Normal Wear & Tear
In the course of normal handling during travel, your luggage may show evidence of wear and tear. Like most major airlines, we don't accept liability for normal damage to checked luggage, such as:
broken wheels or feet
lost pull straps
minor cuts and scratches
damage resulting from over-packing
damage to retractable luggage handles
fragile or perishable items damaged during transport
items unsuitably packed or unsuitable for transportation
damage resulting from Transportation Security Administration (TSA) inspections
https://www.delta.com/content/www/en...r-damaged.html
What kind of bag is it? Some baggage makers warrant their products regardless of the cause of the damage.