Related Clues:
- One with two pairs of shoes?
- Champion or Silver, e.g.
- Gymnastics fixture
- Oater ride
- Clydesdale, e.g.
- Knight's companion
- Stable animal
- America's had no name
- Gymnast's equipment
- "The Avengers" guy
- Basketball game
- Palomino or Clydesdale
- Spirited equine
- Bucephalus, notably
- Word to add to 20-, 37- and 54-Across to make sense of the answers