I came across this useful site today – has a simple funder finder specifically for sport groups

https://www.active-together.org/fundingfinder

Below are links to some funders it picked up – all fund non charities

https://footballfoundation.org.uk/grant/goalposts

https://www.lordstaverners.org/how-we-help/charitable-programmes/

http://www.js25.co.uk/ApplyForFunding