Seamer Michael Hogan has tested positive for Covid-19 during Glamorgan's LV= County Championship match against Sussex.
Hogan will be replaced in the line-up by seamer Andy Gorvin who will make his third First-Class appearance for the Welsh county.
Meanwhile, wicketkeeper Chris Cooke suffered a calf injury yesterday evening. Tom Cullen has been drafted in to keep as 12th man while Cooke will bat with a runner.