Forward Keith Galloway will miss the remainder of the Super League season after snapping an Achilles tendon for the second time in 12 months during Leeds' 10-7 win over Hull.
The 31-year-old former Wests Tigers and Australia front rower pulled up while carrying the ball just 12 minutes into the clash at Headingley and limped off.
He was immediately ruled out for the rest of the campaign and is unavailable for World Cup selection.
Galloway, who qualifies for Scotland through his Glasgow-born father, missed the first two months of the season, as well as the 2016 Four Nations Series, with an Achilles injury sustained in the penultimate game of last season.
"Keith has snapped his Achilles in his other leg, which is devastating news for him," Leeds coach Brian McDermott said.
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"We really missed him tonight and we're going to miss the ultimate soldier for the rest of the season.
"We all feel for Keith, it was a very sombre dressing room at half-time."
