The Harbaugh brothers are at the Sweet 16, wearing Indiana shirts

The Harbaughs are Hoosier backers.
Michigan football coach Jim Harbuagh and his brother, Ravens coach John Harbaugh, are in attendance for Indiana's Sweet 16 matchup with No. 1 North Carolin. They're proudly donning Indiana gear.
Jim Harbaugh in attendance. #iubb pic.twitter.com/cwlAVcn3Hl
— Mike Cohen (@Sir_MikeyC) March 26, 2016
A couple special fans in attendance to root on #iubb tonight. pic.twitter.com/2GcQR178od
— Indiana Basketball (@IndianaMBB) March 26, 2016
If you're wondering what the connection is here, their sister, Joani, is married to Idiana coach Tom Crean. This is John's second straight appearance at an Indiana tournament game.
It's confirmed — Jim Harbaugh to the Indiana.

Kenny Ducey writes baseball, basketball and off-beat stories for SI.com. He is a member of the Baseball Writers’ Association of America, and an editor at Baseball Prospectus.