CHICAGO — Maybe it’s best to start here, late in the fourth quarter of Week 15 with the Seattle Seahawks trailing 17-13 and pinned inside their 10-yard line. The two-minute warning had just passed, right after the Philadelphia Eagles downed a punt at the Seahawks 8. After kicking a field goal two possessions earlier, the Seahawks had life but faced a pressure-packed challenge against a quality opponent in the late stages of a “gotta have it” game. On the sideline at Lumen Field, offensive coordinator Shane Waldron grabbed quarterback Drew Lock — an emergency starter that night due to Geno Smit…
