Sideline Cheer Considered comparable to Competetive Cheer as Moderate Contact Sport - See FAQ here

Is sideline cheer an allowable youth sport and recreational activity?
 
Yes, sideline cheer is considered comparable to competitive cheer as a moderate-contact sport, and as such, should follow all requirements of other outdoor moderate contact sports. 
 
https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/COVID-19/Youth-Sports-FAQ.aspx