New York Islanders forward Mathew Barzal was fined $5,000 on Monday, the maximum allowable under the collective bargaining agreement, for his two-handed slash to Blue Jackets left wing Mason Marchment in Columbus' 4-2 victory at Nationwide Arena Sunday.

Mason Marchment tripped Matthew Schaefer, triggering a Mathew Barzal slash and on-ice brawl between the Columbus Blue Jackets-New York Islanders.

Islanders star Mathew Barzal responded to Mason Marchment's trip of Matthew Schaefer with a vicious slash. Barzal was ejected.

Going after Blue Jackets winger Mason Marchment with a two-handed slash after his trip of Matthew Schaefer on Sunday, though, was a “split-second decision” — and one Barzal doesn’t regret one bit.

In a sequence the NHL will likely look into this week for potential discipline, Islanders forward Mathew Barzal took a two-handed chop to Columbus Blue Jackets left wing Mason Marchment on Sunday, after Marchment tripped New York rookie Matthew Schaefer.

Blue Jackets fans were left furious after Mathew Barzal avoided suspension for his slash on Mason Marchment during Sunday’s heated game.

Islanders forward Mathew Barzal will not be suspended for the slash on Blue Jackets forward Mason Marchment that earned him an ejection.

The Islanders had no inclination to scold Mat Barzal after he was tossed from Sunday’s loss to the Blue Jackets for swinging his stick at Mason Marchment’s legs. Quite the opposite, in fact.

NY Islanders’ Mathew Barzal has been fined $5,000, the maximum allowable under the CBA, for slashing Columbus’ Mason Marchment. On Monday, the NHL Department of Player Safety announced the league has fined Barzal $5,000 — the maximum allowed under the CBA, although he avoided a suspension.

Islanders star Mathew Barzal was ejected for slashing Mason Marchment after he hit Matthew Schaefer for the second time.