1.   An unidentified spectator rushed the playing surface wearing only an unbuttoned Dodgers uniform in the top of the eighth inning Tuesday.

2.   Astroturf is a term usually associated with artificial playing surfaces at ballparks.

3.   At first glance, taking care of the Yankee Stadium playing surface might not seem very similar to maintaining a suburban lawn.

4.   Before every home game, members of the Texas Tech football team follow the Masked Rider onto the playing surface at Jones Stadium.

5.   Before the Olympic hockey tournaments, Canadian workers who make the ice in the E Center placed it beneath the frozen playing surface.

6.   Berard and Palffy are important parts of a restructuring process that is evolving backstage as well as on the playing surface.

7.   A continuity, in fact, that the owners themselves have often changed -- from franchise-hopping to the designated hitter to artificial playing surfaces.

8.   But once Swann became aware the Giants had recently changed their playing surface to grass, he changed his mind and was willing to visit the team.

9.   But might some owners not wish to remove seats for a bigger playing surface?

10.   But Vataha and Caporale know how difficult it can be to find a playing surface in the Boston area.