Joseph Benson's Commentary of the Old and New Testaments - Exodus 9:11
Exodus 9:11. The magicians could not stand before Moses We do not read of any attempt they made to vie with Moses in miracles since the plague of the lice. But it would seem from this passage that they still continued about Pharaoh, and endeavoured to settle him in his resolution not to let Israel go: persuading him, perhaps, that although Moses had the better of them for the present, yet they should at last be too hard for him. But now, being on a sudden smitten with these ulcers, in the... read more
Albert Barnes' Notes on the Whole Bible - Exodus 9:11
This verse seems to imply that the magicians now formally gave way and confessed their defeat. read more