Glamorgan captain Jim Allenby is unhappy at his side's fixture schedule for the One-Day Cup just hours after T20 win.
Lancashire take on Glamorgan at Old Trafford in the opening match of the T20 Blast quarter-finals on Friday, 1 August.
Glamorgan reach the T20 Blast quarter-finals after cruising to victory over Gloucestershire with eight overs to spare.
The One-Day Cup begins on Saturday, marking the return of the 50-over format to county cricket after a four-year gap.
Glamorgan will have Graham Wagg fit to bowl again in their must-win T20 Blast final group game against Gloucestershire.
Glamorgan boss Toby Radford says a heavy fixture schedule and injuries mean the county cannot rest bowler Michael Hogan.
Wes Durston hits the winning runs as Derbyshire ease to a superb six-wicket win over Glamorgan within three days.
Mark Footitt's 6-48 helps Derbyshire close in on a dominant victory against Glamorgan on day two at Derby.
Seamer Alex Hughes takes career-best figures to put Derbyshire into a strong position on day one against Glamorgan.
Skipper Jim Allenby looks forward to big T20Blast clash with Gloucestershire after heavy defeat by Essex.
Essex opener Jesse Ryder hits his first T20 Blast fifty as his side seal a home quarter-final by beating Glamorgan.
All-rounder Graham Wagg is set to return from injury for Glamorgan's crucial T20 Blast match against Essex in Cardiff.
Middlesex seamer James Harris rejoins former club Glamorgan on a month's loan.
Luke Wright's 66 helps Sussex keep alive their slim T20 Blast qualification hopes with a five-wicket win over Glamorgan.
Coach Toby Radford backs Glamorgan to hold their nerve to win at Sussex on Tuesday and continue their T20 Blast bid.
Michael Hogan says he did not feel the pressure when bowling the final over to help clinch victory for Glamorgan against Surrey
Glamorgan boost their hopes of making the T20 Blast quarter-finals with a thrilling four-run win over Surrey.
South African batsman Jacques Rudolph hopes Glamorgan can turn the tables on Surrey in the T20 Blast after two recent defeats.
Captain Mark Wallace says Glamorgan's poor first innings led to nine-wicket County Championship defeat by Surrey.
Surrey move up to second in County Championship Division Two after a comprehensive win over Glamorgan at Colwyn Bay.
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