NEWCASTLE United are sweating on the fitness of Alexander Isak ahead of Saturday's game at Fulham - but not because of the eye problem that forced him off in the win at Wolves.

Isak was replaced at half-time at Molineux after complaining of blurred vision following an incident when he was struck in the face by a clearance from Craig Dawson.

United have monitored that problem throughout the week but it's another injury that is now being assessed ahead of the trip to Craven Cottage, with Isak also nursing a toe complaint, according to the Mail.

It gives boss Eddie Howe a striker headache, with Callum Wilson not yet back in training. Howe revealed last week that Wilson was further behind than hoped in his return from a back injury suffered in the summer.

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An injury to Isak would leave Howe with summer signing Will Osula as his only recognised striker - but the head coach would likely turn to Anthony Gordon to play up-front if needed.

Gordon has occupied that role on several occasions for the Magpies and was moved central in the second half at Wolves when matchwinner Harvey Barnes was introduced.

Barnes is almost certain to start at Craven Cottage after his stunning impact Wolves.

Newcastle are looking to continue their impressive start this weekend, with the Magpies unbeaten and just two points off top spot - despite the fact they haven't played particularly well yet.

Howe said: "I think we want to play with a clear plan and want the players to deliver a lot.

"We ask a lot of them and I think they are capable of delivering that.

"At our very best we are a very difficult team to play against. We are searching for that feeling, that really good physical feeling.

"In the early part of the season I don't think we have seen it on a consistent basis. Some players have delivered it, some we haven't seen it yet, but I am sure we will."