Complex sentence: The event although is frequently prone to violence provoked by error in judgement by the umpires who in turn cant be blamed as the games are usually played late in the night into the wee hours of the morning under badly lit lights.
Split into simpler sentences: The event although is frequently prone to violence often provoked by an error in judgement by umpires. The games are usually played late in the night into the wee hours of the morning under badly lit lights.