Joe Flacco takes saddle for Colts, to start against Vikings

(Photo credit: Andrew Nelles / The Tennessean / USA TODAY NETWORK via Imagn Images)A midseason quarterback change frequently signals trouble for a franchise.

It will be up to Joe Flacco to prove that this time is an exception.

Flacco, 39, will take over at quarterback when the Indianapolis Colts (4-4) visit the Minnesota Vikings (5-2) on Sunday night in Minneapolis. The 17-year veteran will replace second-year quarterb