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The three Cubs stars -- along with famous Cubs fan and former SNL cast member Bill Murray -- appeared on the Weekend Update segment as the newly crowned winners of its version of "The Voice."
"This is the best thing we've ever done," Fowler said with a smile.
Dressed to the nines (with barbershop hats to top it off), the Cubs -- and their backup singers -- launched into a raucous rendition of the song that's reverberated throughout the streets of Chicago this week: "Go Cubs Go." They did make a slight change to the tune, singing: "The Cubs are world champs today."
The trio also appeared as hired entertainers for the bachelorette party of an 83-year-old, who already had passed away before the special guests' arrival.
The Cubs' media tour continues Monday, when World Series MVP Ben Zobrist, Rizzo and Fowler are scheduled to appear on "The Tonight Show" with Jimmy Fallon. Ross and third baseman Kris Bryant will stop by "The Ellen DeGeneres Show" on Tuesday.
Matt Kelly is a reporter for MLB.com based in New York. Follow him on Twitter at @mattkellyMLB. This story was not subject to the approval of Major League Baseball or its clubs.