The 42-year-old Cedar Rapids native and two-time major winner was on the grind throughout his 2-under 69 in Thursday's John Deere Classic opening round. Playing partners Steve Stricker (1-under), a three-time winner at TPC Deere Run, and Wesley Bryan (even) — didn’t fare much better. Read more from the Register's Dargan Southard: 'Frustrating' day for Zach Johnson after shooting 2-under (https://dmreg.co/2NPpAG1)