Checking a cricket skill (7)
I believe the answer is:
keeping
This clue is a double definition.
'checking' is the first definition.
(to check is to keep under control)
'a cricket skill' is the second definition.
(as in a wicket-keeper)
(Other definitions for keeping that I've seen before include "Not parting with" , "Retaining possession" , "Maintaining" , "Charge" , "Holding on to" .)