Díaz leads at John Deere Classic

ANDY LYONS / GETTY IMAGES NORTH AMERICA / AFP

Roberto Díaz is on top of leaderboard after the opening round of the John Deere Classic. 

The Mexican has a two shot lead over the American duo of Adam Long and Russell Henley. 

Six players including Martin Laird, Andrew Landry, Vaughan Taylor and three shots behind Diaz. 

The second round gets underway later on Friday. 

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