Theres also a doctrine called assumption of the risk. which means that certain activities have inherent risks, and if you choose to do them, you might not be able to recover compensation for the normal, foreseeable risks. There will still usually be some basic precautions the property owner must take, but as long as he takes them, he will be insulated from much liability. In terms of safety inside a park or near a ball field, this may having some fence, backstop, etc.though a ball field would not be expected to have one that prevented players and spectators from enjoying the game. Outside the field, a common precaution is to see signs warning drivers of the risks of falling balls.
In addition, theres a doctrine called comparative (or in many states, the similar-but-not-identical contributory) negligence, which basically that means that even if you suffered injury or property damage, to the extent its your fault, you may not be able to recover. Thats because you contributed to the loss, and its not fair to make others pay for your actions.
Suppose a ball is hit into a vehicle parked near a ball field. A known risk of parking near a ball field is that a ball could hit the car; therefore, theres an element of assumption of the risk. If the driver parked particularly close to the game, or where theres no backstop, etc. to stop the ball, he or she may be comparatively negligent as well.
On the other hand, if the players are simply playing normallytheyre not drunk, theyre not reckless or wild, theyre not deliberately damaging propertythey are almost certainly not being negligent, or unreasonably careless.
Conclusion
In a negligence claim, there must be some duty owed to the injured party. No court has simply implied a duty to any sports facility without unique facts. So, with an absence of some wrongdoingand given also potential assumption of risk, and even possible comparative or contributory negligenceit remains highly unlikely that the field, team, or player(s) would be liable for any damage done to a vehicle near a ball field.
Courts, such as in this Ohio Court ruling, have expressly rejected liability:
It is well settled that spectators attending baseball games who are injured by batted balls flying into the stands are denied recovery based on the primary assumption of the risk doctrine. The following standard was enunciated in Cincinnati Baseball Club Co., 112 Ohio St. 175, 147 N.E. 86, in regard to the Spectators assumption of the risk at a baseball game. The consensus of *** opinions is to the effect that it is common knowledge that in baseball games hard balls are thrown and batted with great swiftness, that they are liable to be thrown or batted outside the limits of the diamond, and that spectators in positions which may be reached by such balls assume the risk thereof at 180-181. Furthermore, in Borchers v. Winzler Excavating Co. (1992), 83 Ohio App. 3d 268, 273, 614 N.E. 2d 1065, the court stated: In baseball games, management performs its duty towards spectators when it provides screened seats in the grandstand and gives spectators the opportunity of occupying them. Cincinnati Baseball Club (cite omitted).Liu v. Ohio Univ., 2010-Ohio- 4581.]