Blackburnnews.com is featuring an article that mentions that the Detroit Sports Commission has placed a bid for the city of Detroit to host WWE Wrestlemania 31 or 32 at Ford Field. Ford Field hosted Wrestlemania 23 back in 2007.
Mike Johnson is reporting that WWE will is scheduled to announce where WrestleManias 31 and 32 will be held this August.
Source: Blackburnnews.com, PWInsider.com