The Buffalo Sabres' run to the Eastern Conference Second Round of the 2026 NHL playoffs has produced one of the most gripping storylines in recent ice hockey history. But behind the scores — the Sabres defeated the Montreal Canadiens 8-3 on 16 May 2026 in a dominant Game 6 performance to force a deciding Game 7 — lies a story about injuries that any physically active person in the UK should take seriously.
Four Buffalo Sabres players appeared on the injury report during the series. The most medically significant case is that of forward Jiri Kulich, 21, who was ruled out with a blood clot — a diagnosis that carries serious health implications and raises questions that weekend athletes and sports fans across the UK should be asking about their own wellbeing.
Jiri Kulich's Blood Clot: What We Know
Kulich, one of Buffalo's most promising young forwards, has been sidelined since the early stages of the playoffs with what has been classified as an upper-body condition involving a blood clot. The NHL has not disclosed the precise location of the clot, but the diagnosis alone signals the seriousness of the situation.
Blood clots — known medically as deep vein thromboses (DVTs) when they form in the veins, or arterial thrombi when they affect arteries — are not uncommon among elite athletes. Long-haul travel is a known risk factor, and NHL playoff teams routinely fly between cities across North America during a compressed schedule. Dehydration, physical contact, and periods of inactivity between games also raise the risk.
According to NHS guidance on blood clots, around 1 in 1,000 people in the UK develops a DVT each year. The condition becomes life-threatening when a clot breaks free and travels to the lungs (a pulmonary embolism) or the brain. Treatment typically involves anticoagulant medication, and return-to-sport timelines vary from a few weeks to several months depending on the clot's location and severity.
Kulich's situation is not the only precedent in professional sport. Several high-profile athletes in the NFL, NBA, and Premier League have been sidelined with blood clot diagnoses in recent years — and each case has underscored the importance of early diagnosis.
Three More Injuries in the Sabres-Canadiens Series
While Kulich's condition is the most serious, three other Sabres players have been affected during this playoff run:
Noah Ostlund (lower body) sustained his injury in Game 5 of the first-round series against the Boston Bruins on 28 April 2026. He has been absent for the duration of the Canadiens series, and the Sabres have not provided a timeline for his return.
Sam Carrick (upper body) has seen limited ice time, affecting Buffalo's depth at forward.
Justin Danforth (lower body) has similarly been unavailable, forcing the Sabres' coaching staff to rely on players further down the roster.
And then there is Owen Power, Buffalo's first-choice defenceman, who crashed heavily into the boards in the third period of Game 5. The collision was alarming to watch and brought the Bell Centre crowd to a standstill — but Power returned to complete the period and then led all defencemen with 22:22 of ice time in the Sabres' emphatic Game 6 victory. His resilience was impressive, but the incident is a reminder of how quickly a collision in a high-speed sport can become a medical emergency.
The breadth of injury types in a single playoff series — blood clots, lower-body strains, upper-body injuries, and high-impact collision trauma — closely mirrors the types of injury that sports medicine specialists encounter in amateur and recreational leagues across the UK every weekend.
When Should UK Sports Fans Seek Professional Advice?
The Kulich case in particular illustrates why physically active people should never dismiss persistent or unusual symptoms. Here are the situations in which sports medicine or general medical advice is strongly recommended:
Blood clot warning signs — Swelling, redness, warmth, or aching in a leg or arm; sudden unexplained shortness of breath; chest pain; or a rapid heartbeat that does not settle should prompt immediate contact with a healthcare professional or a visit to A&E. These symptoms are especially concerning after long periods of sitting, recent long-haul flights, or intense physical activity with heavy contact.
Lower-body and upper-body strains — If pain from a sports injury does not improve meaningfully within 48 to 72 hours of rest, ice, compression, and elevation (the RICE protocol), or if swelling is significant and accompanied by bruising, a sports medicine assessment can prevent a short-term problem from becoming a chronic one. Returning too quickly to sport without proper assessment is one of the most common causes of long-term injury in recreational athletes.
Contact sport collisions — Any collision that results in even momentary loss of consciousness, confusion, nausea, or a headache that worsens over time requires emergency medical care. These are potential signs of concussion or a more serious intracranial injury, and they should never be managed at home without a formal medical assessment. The Sabrres' medical team would have evaluated Power immediately after his boards incident before allowing him to continue.
Recurring injuries — If you are dealing with the same type of injury repeatedly — a sprained ankle that keeps coming back, a shoulder that dislocates under moderate pressure — that pattern signals an underlying structural issue that requires expert diagnosis, not just self-management.
Ice Hockey in the UK and the Injury Culture Problem
As ice hockey grows in popularity across the UK — the Elite Ice Hockey League (EIHL) drew record crowds in the 2025-26 season — so does the importance of understanding how to handle the physical demands of the sport. Unlike NHL franchises, which have full-time team doctors, physiotherapists, and sports medicine specialists travelling with the squad, UK club-level players often face their injuries alone or with minimal professional support.
That gap makes it even more important for UK players and sports enthusiasts to know when to seek external help. A sports medicine consultant can assess the type and severity of an injury, order appropriate imaging if needed, and design a structured recovery programme that reduces the risk of long-term damage.
The Broader Lesson From the 2026 NHL Playoffs
The 2026 NHL playoff injury report has been unusually long this year, affecting not just Buffalo and Montreal but multiple teams throughout the bracket. Elite athletes with the best medical support available still sustain serious injuries — which is precisely why recreational athletes, who have far fewer resources, should be quicker to seek professional advice.
Whether you follow the Sabres' push toward the Eastern Conference final, play in a local hockey league, or simply stay active through rugby, football, or running, the message from these playoffs is clear: injuries that seem manageable can escalate quickly. Early professional assessment is nearly always less costly — in time, money, and long-term health — than delayed treatment.
If you are experiencing symptoms consistent with a blood clot or a sports injury that is not improving with self-care, a consultation with a sports medicine professional can provide the diagnosis and reassurance you need.
This article is for informational purposes only and does not constitute medical advice. If you believe you are experiencing a medical emergency, contact 999 or attend your nearest A&E immediately.

Grace Davies