Only had 2 injuries when playing, both at the same site, Ft Amherst in Chatham.
First was when an unseen 50 year old coil of barbed wire hooked both feet in dense bushes, just as I was about to jump down a 5ft ledge, would've been an extreme faceplant but for the fact I'm a well disciplined old soldier, kept the rifle in my shoulder as I dived towards the ground, buried the entire barrel vertically in the soil, so all the force went straight in to my chest/shoulder, thought I was done for at the time, & my upper torso was black & blue for weeks afterwards.
But thank the gods, my TM M4 escaped unharmed lol🙏.
Couple of months later, took another dive down about five stone steps in what was known as the chapel, landed on a stone floor, initially thought I had a few bumps & bruises, later in the safezone one particular bump on my elbow wouldnt stop stinging, closer inspection revealed a 6mm BB buried well under the skin, but with only a tiny entry wound, much smaller than the BB itself.
Ended up with a mate massaging it towards the surface, & then "popping" it like a big zit, forcing it back out through the much smaller hole.
Needless to say it came out with quite a pop, lol prob hit 1j on its way out, & made a few onlookers heave in the process 🤮