Pan gyhoeddodd Llywodraeth Cymru y byddai'r cyfyngiadau'n cael eu cyflwyno ar 21 Rhagfyr i fynd i'r afael ag amrywiolyn Omicron yng Nghymru, gan gynnwys cynnal chwaraeon y tu ôl i ddrysau caeedig o 26 Rhagfyr ymlaen, cyhoeddwyd Cronfa Chwaraeon Gwylwyr gwerth £3 miliwn ar yr un pryd i gefnogi'r sector.
When the Welsh Government announced the introduction of restrictions on 21 December to combat the Omicron variant in Wales, including playing sports behind closed doors from 26 December, a £3m Spectator Sports Fund was simultaneously announced to support the sector.