Mike Macdonald’s coaching origin story traces back to high school injury, college job [Video]

SEATTLE — What Seahawks head coach Mike Macdonald lacks in age, he makes up for in experience.

On the outside, the youngest head coach in the NFL might not be a symbol of a seasoned veteran.

Yet his origin story can be traced back to when he was in high school.

Centennial High School in Roswell, Georgia is where Macdonald first caught the coaching bug.

In the early 2000s, he was an 18-year-old senior, who did not look his age.

“The players weren’t what I thought they were going to be,” said Xarvia Smith, the head football coach at the time. “They were small. They were weak. They were undersized. I used to drive home crying about ‘God, what mistake did I make …