Original sentence: Despite this dominance, he never was promoted to Yokozuna, the highest title in sumo.Raiden Tameemon (雷電爲右衞門), born Seki Tarokichi (January 1767 - February 11, 1825) is considered one of the greatest sumo wrestlers in history,  although he was never formally promoted to Yokozuna
Edited sentence: Even though this means Raiden is the most successful wrestler to date, he never was promoted to Yokozuna, the highest title in sumo.Raiden Tameemon (雷電爲右衞門), born Seki Tarokichi (January 1767 - February 11, 1825) is considered one of the greatest sumo wrestlers in history, although he was never formally promoted to Yokozuna