We already know Mike Fisher is a fan of Garth Brooks, but it turns out Garth Brooks is also a fan of Mike Fisher.  Earlier this week, Carrie Underwood secretly recorded Mike singing “The River” and posted it to Instagram.  Garth saw it and was impressed.  He shared it on his Instagram…

MIke @mfisher1212!! Bro, that is AWESOME! I HAVE to call you out after that…Nashville is the last city on the American leg of the World Tour…You and me, on stage, The River. You in? love you pal, g #Repost @carrieunderwood ・・・ #IAlwaysWantedToMarryGarth @mfisher1212 duet coming soon…

A video posted by Garth Brooks (@garthbrooks) on Jan 6, 2016 at 7:28am PST