There are two rikishi from the United States of America in sumo currently.
They are Musashikuni (Fiamalu Penitani) and Wakaichiro (Ichiro Young).
Both are in Musashigawa stable, where the stablemaster, not coincidentally, also hails from the United States.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.