IF IN DOUBT, SIT THEM OUT.
Concussion protocols applicable to Scottish sport and to Scottish cricket to be read and absorbed by fellow players, team managers and coaches are available below.
Have knowledge in advance of what to do if ever required.
That guidance is available HERE from sportscotland - sportscotland.org.uk/clubs/scottish-sports-concussion-guidance/
And a summary starting point is the Scottish Sports Concussion Guidance Card