In Illinois, Thompson leads by two shots.
Legendary John Deere leaderboard 21 JJ Spaun (US), M Thorbjornsen (US), L Clanton (US); 19 E Cole (US), A Rai (Eng); 17 H Springer (US), CT Pan (Tpe); Choose additional parties -14 S Power (Ire); -13 J Spieth (US), H Hall (Eng) In the John Deere Classic in Illinois, American Davis Thompson led by two…