Adrian Mierzejewski 'looking good' to play in Sydney Derby - Graham Arnold

A run on Thursday for star winger Adrian Mierzejewski has Sydney FC coach Graham Arnold hopeful his Polish international will play in Saturday's A-League Sydney derby.

Mierzejewski suffered a hamstring issue in last weekend's win over Wellington, a performance Arnold thinks his side can improve on by 70 percent.

"We'll leave it right up until kick-off to decide, but he's looking good at the moment," Arnold said.