The outfield walls are still made of red brick, and are covered with thick green ivy, into which balls often disappear for ground-rule doubles. The large center field scoreboard is still manually operated, and it carries the complete line scores of all NL games each day. Ground Rules Ball hitting top or face of screen in front of bleacher wall and bouncing back on playing field is in play. Ball hitting top of screen and dropping between screen and wall is a home run. Ball hitting screen and dropping into bleachers is a home run.
Ball sticking in screen in front of bleachers is a ground rule double.
Ball sticking in vines on bleacher wall is a ground rule double. Ball coming out of vines is in play. Ball hitting left field or right field foul markers above painted mark is a home run. Ball hitting fould marker below painted mark and bouncing back on playing field is in play. Ball going under grates in left field or right field and remaining there is a ground rule double.