§ 98.33  BASEBALL AND SOFTBALL PLAYING.
   (A)   No person shall engage in games of softball and baseball except in those parks which have established diamonds and backstops constructed for that purpose.
   (B)   In those parks having established diamonds, participation in softball or baseball in areas other than the established diamonds is limited in accordance with signs or notices posted.
   (C)   In those parks having established softball or baseball diamonds, the type of participation on said diamonds may be regulated in accordance with posted signs or notices.
('79 Code, § 2002)  Penalty, see § 98.99