With the replacement of Minneapolis's Hubert H. Humphrey Metrodome by Target Field in 2010, only two MLB stadiums are still using artificial turf: Tropicana Field and Toronto's Rogers Centre.
What type of grass is on the football field?
In the northern United States, there are three types of cool-season grasses primarily used for football fields: Kentucky bluegrass, tall fescue and perennial ryegrass. In the South,bermudagrass is the most commonly used grass for football fields. Tall fescue works great in transitional climates.
Is Soldier Field grass or artificial turf?
Bears president and CEO Ted Phillips said on the Kap and Haugh Show in 2014 that the organization would be willing to move to artificial turf on Soldier Field, but has since stuck with the grass surface. Soldier Field used AstroTurf from 1971 until 1987, when the team switched back to natural grass.