Related Clues:

• Foundations support them
• Spud's bud
• Close watch
• Noted pugilist
• Joe Frazier rival
• Word with private or public
• Scope out
• Liberal ___
• See here!
• '60s heavyweight champ
• Part of 55-down
• He beat Liston
• His jaw was broken by a boxing 24-Across
• Inspect
• It might be keen