Hamilton’s first Ferrari win in Barcelona closed the gap to 41 points behind Mercedes’ championship leader Kimi Antonelli.
Clark is bidding to become the first wire-to-wire US Open winner since Martin Kaymer in 2014.
Moody, who was diagnosed with MND last September, completed his seven-day ride at Twickenham on Saturday.
The captain was stood down from the second Rothesay Test against New Zealand pending the results of an disciplinary investigation.
All roads lead to the Arc for George Scott’s stable star.