it most certainly is.
The only one I know of is "bull in the ring"
when you call out a number the player doesnt know where the other player is coming from and can get hit in the back get hurt that is what i think but im not sure
How would that be possible? That is a very common drill.
The bull ring attendant
The bull is dragged around the ring once and then ragged out of the ring.
The bull ring is called the Plaza de Toros.
There are many street football variations including but not limited to Loco, Bull In The Ring, Rumble Fumble, Jump Off, Throw it up football, Throw-Up Tackle and Muckle.
St Martin in the Bull Ring was created in 1873.
In some countries a bull is used for work and the ring is a way to lead the animal to and from its job.
The Bull Ring shopping centre can be found in Birmingham, United Kingdom.
The 3/8" wide ring that surrounds the perimeter of the scoring area is the doubles area. Also, the inner bull is the double bull (although they just call it the bull in Europe). The 3/8" wide ring that is midway between the bull and the doubles ring is the triples ring (they call them trebles across the pond).