There are football games -- yes, I said football games -- Saturday at both Yankee Stadium and Wrigley Field. In the Bronx, Notre Dame is playing Army (7 p.m. on NBC) and in Chicago, Northwestern is hosting Illinois.
At both places, the infields have been sodded over. Wrigley, of course, was the home of the Bears before Soldier Field and old Yankee hosted the Giants before the Meadowlands, including the famous Colts-Giants 1958 NFL championship game. Here's a couple pictures I found of the two sites.
Blow 'em up for closer looks. Found them at Bustedcoverage.com. Pretty cool looking.