SILVIS, Ill. (AP) — Troy Matteson is the first-round leader at the John Deere Classic in Silvis, Ill. Matteson carded 10 birdies and no bogeys for a 10-under 61 that puts him three strokes ahead of Ricky Barnes.

Steve Stricker is four shots back as he tries to win the tournament a fourth consecutive time.

1986 Atlantic High School Alum Chad Proehl shot a three over par 74 in his first round Thursday, carding a four over 39 on the front and a one under 35 on the back nine.  This is the third time that Proehl has played in the John Deere Classic.