Airdrie should know the extent of striker John Boyle's knee injury by the time they face Morton at Cappielow.

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The 26-year-old was stretchered off with seven minutes remaining of the Diamonds' 1-0 defeat to Falkirk last weekend.

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Boyle, who signed a one-year contract extension a few days ago, is out of Saturday's trip to title-chasing Ton and could be missing for the final weeks of the season.

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Manager Jimmy Boyle is obviously concerned and hopes the news from the medical professionals regarding the status of the club's top goalscorer is positive.

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He said: "John took a really bad one and it's a shame for him and us after signing him up for next season.

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"He's had a tough time with injuries but still managed to get 10 goals. As long as he is ready for the start of pre-season, I will be happy."

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Centre-back David Lilley will also miss the trip to Greenock through suspension with striker Jordan Kirkpatrick (knee) injured.

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Elsewhere on the personnel front and winger Alan Cook could be set for a surprise first-team return before the end of the campaign.

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Former Stirling Albion player Cook has been sidelined for months with an ankle injury but is back in training and progressing well.

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The Diamonds are looking for their first win at Cappielow since August 2003 and an improvement on the performance produced against the Bairns at New Broomfield.

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Boyle added: "It's going to be a tough game down there but all of the pressure is on Morton even though we both need to win the match.

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"I will try and give the players as much confidence as I can. This is a chance for us to go there and enjoy the game and occasion.

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"On our day, we can play well and cause teams problems but confidence is low and looking at the league table tells you where we are.

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"I feel like we have created chances and been better going forward in the last six games; but we didn't do that against Falkirk."

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Boyle also had words of praise for 16-year-old striker Liam Coogans who made his full debut in the loss to the William Hill Scottish Cup semi-finalists.

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He added: "I thought Liam worked really hard. He's one for the future and been a breath of fresh air. Liam's lively and he will score goals for us."