(Reuters) - Jordan Spieth sent a message to his critics he had not made a mistake by warming up for the British Open with a tournament in the United States and showed he was ready to challenge for the title by claiming the John Deere Classic in a playoff on Sunday.
Spieth, already the winner of this year's Masters and U.S. Open, defeated unheralded fellow-American Tom Gillis on the second playoff hole at TPC Deere Run in Silvis, Illinois.
The victory was the world number two's fourth of the season and a return win at the tournament where he claimed his first PGA title in 2013.