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Tyrone substitute Ger Cavlan is challenged by Derry's Paul McFlynn at Clones

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Derry's Sean Martin Lockhart and Peter Canavan of Tyrone were key men in the Ulster Championship quarter-final

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Derry's Sean Martin Lockhart is treated for an injury

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Tyrone's Cormac McAnallen beats Anthony Tohill to a high ball during the Ulster Championship game at Clones

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Tyrone's Brian McGuigan shrugs off the challenge of Fergal Doherty during the drawn match at Clones

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Owen Mulligan comes under pressure from Derry defender Sean Martin Lockhart in the Ulster quarter-final

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Derry manager Mickey Moran shouts instructions to his players during the drawn Ulster quarter-final

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Tempers run high during the Ulster Championship game between Derry and Tyrone at St Tiernach's Park in Clones