"He looks fairly confident and really assured in there, and that's a great feeling," said Doyle to the club website.
"To be fair I haven't seen a fault in his game. It's hard to pick something out, but he's been different class so far this season and pulled off some fantastic saves.
Keiran Westwood
"He didn't have a lot to do against Preston but sometimes that can be a keeper's downfall to not have a lot to do and then lose concentration. He's loud and a great keeper to have behind you.
"I would agree with the gaffer about him, without a doubt. The press keep going on about Preston's Andy Lonergan - and he's pretty useful as well - but Keiren is definitely one of the best in the division.
"I think he had a good reputation last year and he's carried on where he left off last season."