Answer
The iconic Australian cricketer, Sir Donald Bradman, regarded O'Reilly as the finest bowler he ever faced. Bradman, revered as one of the greatest batsmen in the history of the game, held O'Reilly in the highest esteem for his exceptional bowling skills, particularly his mastery of swing and accuracy. O'Reilly's prowess on the field left a lasting impression on Bradman, solidifying his reputation as a formidable and respected opponent.