Fortunately for us, there is no evidence of the manifestation of supernatural casuality in the physical world. Further, your argument is self-destructive in that it prevents us from updating our beliefs based on new evidence. There is reason to believe that neglecting persistent afflictions, injuries are largely probabilistic in nature. The corresponding expectation is that some "injury-prone" players will "surprisingly" remain healthy while some players believed to be non-injury-prone will "surpisingly" be injured. If we cannot self update based on new evidence ("don't play I-told-you-so"), then we cannot form an accurate belief on the subject of injuries in sports.
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