Ulster battle to Pro12 victory over Ospreys
Ulster move level on points with the Ospreys at the top of the Pro12 table with a 25-16 victory in Belfast.
Darren Cave scored a try as Ulster built up an 18-3 half-time advantage.
Martin Roberts scored a try as the Ospreys reduced the arrears to 18-16 but centre Cave sealed a 25-16 home win with a second try late in the game.
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