Riccardo Calafiori hit the post in the first half and Mikel Merino, who was playing as a striker again, had a good header saved after the break.
Arsenal were dealt yet another blow in the title race as they were held to a draw at Nottingham Forest.
The Gunners dominated much of the possession at the City Ground, but their injury-hit attack failed to create many clear-cut chances.
Made a smart save midway through the second half to keep out Chris Wood.
Made a brilliant tackle midway through the second half to deny Wood.
