Get a recap of the Round 5 injuries headlined by a several serious knee blows FOUR serious knee injuries, a Carlton star sidelined and head worries for the Eagles' chief ball winner. Get a full wrap of the Round 5 injuries here. BRYCE GIBBS (hamstring tightness) EVEN if it's only "tightness" - be alarmed. It remains an injury capable of sidelining players for up to two weeks. Gibbs, right now, is considered an outside chance at best to face the Dees next week after being substituted out of yesterday's win at halftime. Hear that? Yep, that's the sound of 155,000 SuperCoaches sighing. Round 5 halftime report: Catch up on the footy you've missed BRENTON Sanderson said today that Walker endured a sleepless night in Melbourne and is set to undergo scans tomorrow. That'll determine the extent of the damage, with fears still high it could be an ACL. Walker returned to Adelaide today but must wait for the swelling to settle before having his knee assessed. RIVERS agitated the same knee he hurt against the Hawks in Round 1 and was subbed out early last night. But while he only missed one match that day, expect the latest tweak of his medial ligament to sideline him for a bit longer. The early prognosis is a stint of 2-4 weeks on the sidelines. Live HQ: Get SuperCoach scores from every game this round THE Magpies defender has already had his season ruled out after rupturing his ACL in the last quarter on Anzac Day. Another tragic blow with the popular Pie requiring a full knee reconstruction. Magpies medicos assess Allan Toovey's knee injury in the shadows of full time. YEP, the knee curse claimed another victim when Bradley went down on Friday night. Already confirmed as an ACL, ending the veteran Docker's season. He joins Matthew Pavlich and Aaron Sandilands on the sidelines out west. West Coast Eagle Matthew Priddis was subbed off after this bone-jarring tackle by Port Adelaide's Angus Monfries THE Eagles took no risks with their gun onballer, substituting him out with concussion against the Power. Expect him to undergo a series of neurology tests this week in a bid to prove his fitness for the clash against the Dogs on Sunday. Concussed West Coast Eagles midfielder Matt Priddis is helped to the bench.