This won't be Murray's first rodeo singing "Take Me Out To The Ballgame" at Wrigley Field. Check out a few of his previous appearances below:
In addition to Murray, the Cubs also revealed that Chicagoland native and lead vocalist of Fall Out Boy, Patrick Stump, will sing the National Anthem, Wayne Messmer will sing "God Bless America" and Cubs Hall of Fame outfielder Billy Williams will toss the ceremonial first pitch.
Former Cubs pitchers Greg Maddux and Mark Prior and first baseman Derrek Lee are also scheduled to be at Game 3, according to ESPN's Jesse Rogers.
Tune in to CSN at 6 p.m. for Cubs Postseason Live as our crew gets ready for Game 3 and be sure to flip over to CSN immediately after the final out to get analysis and player reaction on Cubs Postseason Live.