Ohio Rev. Code Ann. § 5709.081
(A) Real and tangible personal property owned by a political subdivision that is a public recreational facility for athletic events shall be exempt from taxation if all of the following apply:
(B) Tangible personal property, and all buildings, structures, fixtures, and improvements of any kind to the land, that are constructed or, in the case of personal property, acquired after March 2, 1992, and are part of or used in a public recreational facility used by a major league professional athletic team or a class A to class AAA minor league affiliate of a major league baseball team for a significant portion of its home schedule, and land acquired by a political subdivision in 1999 for such purposes or originally leased from a political subdivision, such political subdivision qualifying as such pursuant to division (H) of this section, in 1998 for such purposes, are declared to be public property used for a public purpose and are exempt from taxation, if all of the following apply:
(2) Such property was or is any of the following:
(3) Such property is controlled and managed by either of the following:
(4) The primary user or users of such property, if a primary user or primary users exist, either:
(C) The exemption provided in division (B) of this section also applies to both of the following: