(Reuters) - Only a rain delay could slow Zach Johnson as he fired a six-under 65 on Thursday to share the clubhouse lead before first-round play at the John Deere Classic was suspended due to darkness. Johnson returned to finish off a bogey-free round that left him tied with fellow Americans Ryan Moore and Patrick Rodgers at six-under. Andrew Loupe, eight-under through 14 holes, and Tom Gillis, six-under after 16, will be among those who return to the TPC Deere Run in Silvis, Illinois, early on Friday to finish their opening round.
