Shivkumar (21) intervened in a dispute between two groups during the match held ten days ago, SSP Vaibhav Krishna said.
Enraged over the incident, the accused barged into Shivkumar's home last night and killed him with a spade, he said.
An FIR has been lodged against seven persons by the deceased's father Veer Singh, the SSP said, adding the accused are absconding.