Yes, some athletes will contract the virus. Some might even get very sick.
Some will tear their ACLs.
Some will get concussions.
Some will get CTE later in life. Some earlier.
Some will get turf toe.
Some will get high ankle sprains.
Some will get the flu.
Some will get in car accidents on the way to Trader Joe's.
Some will get in fistfights in Rancherito's.

What's your acceptable number for any of the above?

At some point we have to accept risk and live our lives. We can't let ourselves be controlled by our fears.