Dr. David Chao aka @ProFootballDoc joined the show to discuss Russell Wilson's calf injury heading into the Pittsburgh Steelers' season-opening game against the Atlanta Falcons.

Chao explained why he believes Justin Fields will start over Wilson on Sunday against the Falcons.

Chao said calf injuries can linger. He also compared it to other players who have had the same injury.

Also, Chao expressed his concerns with injuries along the Steelers' offensive line.

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