Clare missed the first two games of the season through injury
Cambridge United striker Daryl Clare is set to be out of action for six weeks after breaking a finger in training.
The 32-year-old's start to the season had already been hampered by an ongoing glute problem.
The U's already have striker Adam Marriott and midfielder Adam Miller out to long-term injuries.
Boss Martin Ling told the club's website: "He's in cast at the moment, it's a nasty break and he might need an operation in a few weeks."
He added: "It's disappointing, as with Marriott also injured at the moment, it leaves us a bit stretched."
Clare, a summer signing from Gateshead, has only managed one goal in 13 appearances.
Marriott, 19, is expected to be out for several weeks after damaging ankle ligaments, and 28-year-old Miller will miss most of the season after undergoing reconstructive surgery on his ankle.
Meanwhile, the club's FA Cup first-round clash with Huddersfield at the Abbey Stadium has been moved to a 1730 GMT kick-off on Saturday, 6 November.
The game will be shown live on television, ensuring the U's a cash boost.
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