Despite spending much of the season injured, Westwood has helped the Owls to a position inside the Championship's top six.
The winger only joined the Owls on loan from Everton during the January transfer window, but has plenty of experience of seeing what the 31-year-old is capable of having featured alongside him for the Republic of Ireland. And McGeady explained how highly he thinks of the stopper.
"In my opinion, Keiren is the best keeper in this league," he told the Star. "He has been unlucky with Ireland because he's had injuries at times where if he had been fit he might have been number one but he's a quality keeper."
As McGeady suggested, injuries have unfortunately played their part in Westwood's season. The former Sunderland man has played just 20 of Wednesday's 30 games in the league this term. However, he has shown when he has played just how important he is to their form.
With Westwood between the sticks, Carlos Carvalhal's side have lost just three games this season, and have kept five clean sheets.
That ability to keep opponents at bay has helped Wednesday earn a place in the Championship play-off places. But with 16 games to go, and the two sides directly below them in the table within three points, Carvalhal will be hoping that Westwood can return quickly - having been taken off after just 18 minutes of the club's most recent clash against Birmingham after sustaining head and neck injuries in a collision with teammate Tom Lees (via Star) - and prove that McGeady's claim regarding his talent is spot on.