Justin Fields took first-team reps at Steelers training camp. Here's why

Former Bears signal caller Justin Fields got some action at Steelers training camp on Thursday with Russell Wilson on the sidelines. Wilson, the presumed starter for the Steelers at this point, is experiencing tightness in his calf. Head coach Mike Tomlin told the media he’s “day-to-day.” Wilson wanted to practice but Tomlin kept him on the sidelines to avoid risking…