Why do nhl players spit so much

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Last updated: April 8, 2026

Quick Answer: NHL players spit frequently due to a combination of physiological demands and equipment factors. During intense physical exertion, players produce excess saliva and mucus, which can impair breathing and comfort. The mouthguard, worn by most players, stimulates saliva production and can trap mucus, making spitting necessary. Additionally, cold arena air can thicken mucus, and spitting helps clear airways for optimal oxygen intake during high-intensity shifts.

Key Facts

Overview

Spitting in the NHL has been a visible part of hockey culture for decades, with its prevalence increasing as the game became faster and more physically demanding. Historically, hockey players have engaged in spitting since the sport's early organized days in the late 19th century, but it became particularly noticeable during the NHL's expansion era in the 1960s-70s as equipment evolved. The practice gained mainstream attention during the 1990s when television broadcasts began showing more close-up shots of players on benches and during stoppages. Specific incidents like Wayne Gretzky's visible spitting during the 1987 Canada Cup finals brought the behavior to public consciousness. Today, spitting occurs most frequently during periods of high exertion - particularly after intense shifts, during power plays, and in overtime situations when players are pushing their physical limits. The behavior is observed across all positions but is most common among forwards who typically have shorter, more explosive shifts averaging 45 seconds compared to defensemen's 50-60 second shifts.

How It Works

The spitting mechanism in NHL players involves several physiological processes triggered by intense physical activity. During high-exertion skating, players breathe primarily through their mouths, bypassing the nasal passages' natural filtration and humidification systems. This mouth breathing dries oral tissues, triggering compensatory saliva production from the parotid, submandibular, and sublingual glands at rates up to 2-3 times normal levels. Simultaneously, the sympathetic nervous system activation during exercise causes mucus production in respiratory passages. The standard silicone or vinyl mouthguard worn by players creates a physical barrier that traps both saliva and post-nasal drip while stimulating additional salivary flow through constant pressure on oral tissues. As players exert themselves at 85-90% of maximum heart rate, their bodies prioritize oxygen delivery to muscles over digestive processes, leading to saliva accumulation rather than swallowing. The cold arena environment (typically 50-60°F) causes this mixed fluid to thicken, creating a viscous substance that interferes with breathing efficiency if not expelled.

Why It Matters

The spitting behavior has significant practical implications for player performance and safety. Clearing airways allows for more efficient oxygen exchange, potentially improving endurance during critical game moments. From a health perspective, removing thickened mucus reduces infection risk in the respiratory tract, important during the grueling 82-game regular season. The practice also has equipment implications - excessive saliva in mouthguards can affect fit and protection, while on-ice spitting creates minor maintenance issues for arena staff. Culturally, while sometimes criticized as unsanitary, spitting is generally accepted within hockey as a necessary byproduct of extreme exertion. The NHL has implemented rules against spitting on opponents or officials (Rule 75.2), but bench and on-ice spitting during play remains unregulated, reflecting its accepted status as a functional response to the sport's physical demands.

Sources

  1. Ice HockeyCC-BY-SA-4.0
  2. MouthguardCC-BY-SA-4.0
  3. SalivaCC-BY-SA-4.0

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