Award retakes if you miss or the keeper saves it for niggling technical reasons.
From the guardian.co.uk
We haven't figured out the fare yet, but that's just a niggling detail for later.
From the charlotteobserver.com
Watch the tension melt from your muscles and all your niggling worries vanish.
From the nzherald.co.nz
Because there is so much to admire here, it seems niggling to voice any complaint.
From the boston.com
We all have niggling problems with work, family, health or money from time to time.
From the him.uk.msn.com
He seemed to slow a bit last season, thanks to niggling injuries, and he turned 30.
From the sacbee.com
Yet Mr Ackermann's departure solves a niggling corporate-governance problem.
From the economist.com
This has turned niggling animosity into a conventional battle for territory.
From the economist.com
I head upstairs, with a niggling concern scratching at the edge of my consciousness.
From the blogs.psychcentral.com
More examples
Fuss: worry unnecessarily or excessively; "don't fuss too much over the grandchildren--they are quite big now"
Quibble: argue over petty things; "Let's not quibble over pennies"
(niggling) fiddling: (informal) small and of little importance; "a fiddling sum of money"; "a footling gesture"; "our worries are lilliputian compared with those of countries that are at war"; "a little (or small) matter"; "a dispute over niggling details"; "limited to petty enterprises"; " ...
"Leaf by Niggle" is a short story written by J. R. R. Tolkien in 1938-39 and first published in the Dublin Review in January 1945. ...
A minor complaint or problem; Small, cramped handwriting; To trifle with; to deceive; to mock; To dwell too much on minor points; To fidget, fiddle, be restless