Scunthorpe United defender David Mirfin ruled out of Saturday's game at Coventry
Defender David Mirfin has been ruled out of Scunthorpe United's trip to Coventry City on Saturday.
The Iron are awaiting results from a scan on the centre-back's knee after he twisted it when falling awkwardly at the end of Saturday's FA Cup defeat at Gillingham.
Mirfin missed Brian Laws' first league game in charge on Tuesday – a 4-1 success at Walsall – and the United manager admits the injury is turning out to be more of a concern than first thought.
It means Niall Canavan, who scored twice in midweek, will continue to deputise at the Ricoh Arena.
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"We are waiting for the scan results now, before we can make any serious judgment on that," Laws said of Mirfin's injury.
"He won't be available for the weekend, however, we'll see what happens after that.
"He's around the dressing room and cajoling the players. He wants to be part of it but until we get the result, he's got to do his maintenance work within the training ground and keep him off the actual pitch itself.
"I'm not as optimistic as I first was with this one. He came off after the game against Gillingham and felt okay, a bit sore, but very optimistic - so was our physio, Daz (Darren Mouatt).
"As the days have gone by there's been no real recovery, it's just been sustained, same kind of feeling.
"We think the best option is to scan it to make sure there's no serious damage in there.
"He's had the scan, we're just waiting for the results. Hopefully by tomorrow we might be able to know a little better and be a bit clearer, certainly over the weekend we'll know for sure."
Michael Collins is also likely to miss Saturday's game.
The midfielder, who has only just returned from a year on the sidelines, was missing in midweek with an ankle injury.
However, Laws is confident the problem isn't a relapse of the tendinopathy which kept Collins out of action previously.
"He has an injury on his ankle. It's not the same as before with his Achilles, it's slightly different, but, again, we don't know how long he's going to be out for," said the manager.
"Previously, his injury was his Achilles tendon, which is one of the hardest ones to recover from.
"This one is the ligament side; it's nothing to do with his Achilles, his Achilles is fine.
"That's pleasing in one respect, but it's always the same when someone's been out for a while, they're always picking up niggles. This is another one that he's picked up, unfortunately.
"It takes time to recover from serious injuries and you're always going to get these little niggles that come along.
"Hopefully this is just a little niggle."
Readers of the Scunthorpe Telegraph will be able to watch Brian Laws' first home game as Iron boss for up to £5 less than matchday prices.
The Telegraph has teamed up with the Iron to offer fans amazing savings on ticket prices for the game against Notts County on Saturday, November 17.
We will include a voucher in the next edition of the Telegraph, out November 15, which offers £5 off all adult tickets, £3 off concessions and enable entry to the ground for all Under-16s for just £1.
Make sure you pick up a copy on Thursday November 15.