Related Clues:

• Sphere of interest
• Atlanta's Philips, for one
• Palestra, e.g.
• Game field
• Joe Louis, in Detroit
• Game setting
• Sports building
• Where a Senator might get pushed around?
• Action setting
• Place for fans
• Play setting
• Gaming center
• Battle locale
• Playoff setting, sometimes
• Setting for 'Androcles and the Lion'