Bailey Seagraves, a 22-year-old goaltending coach for the Ohio AAA Blue Jackets, dressed as the emergency backup goalie but was not on the bench.
After the game, the Blue Jackets added goalie
Matiss Kivlenieks
on an emergency basis from Cleveland of the American Hockey League.
Nick Foligno scored twice, and Boone Jenner had two assists for Columbus, which is tied with the New York Islanders for the first wild card into the Stanley Cup Playoffs from the Eastern Conference.
Connor Brown scored twice, and Marcus Hogberg made 41 saves for Ottawa (21-30-12).
The Senators were without center Jean-Gabriel Pageau (New York Islanders) and forwards Vladislav Namestnikov (Colorado Avalanche) and Tyler Ennis (Edmonton Oilers) after each was traded on Monday.
"This team has been outstanding all year. These guys work," Ottawa coach D.J. Smith said. "Tonight, we're short bodies, important guys, guys who have played minutes. Our team continued to play hard right to the final buzzer.
"When your best players play hard, everyone else is going to follow."
Foligno gave the Blue Jackets a 1-0 lead at 4:10 of the first period.