3 members of the Chargers coaching staff who could be unmitigated disasters

Kirby Lee-USA TODAY Sports
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Marc Trestman, senior offensive assistant

Marc Trestman was easily the most surprising hire that Harbaugh made to his staff. Trestman has not coached professional football since 2020 and that was in the XFL. To find his most recent NFL coaching stint, fans would have to go all the way back to the 2016 season.

So where has Trestman been? Has he been coaching college and just taking a break from pro football? No. He hasn't been coaching and instead was writing articles about whether or not Justin Herbert was still an elite quarterback. Thankfully, he had the right answer, which might be why he got hired.

Trestman hasn't necessarily had the best track record and his connection to Harbaugh is what got him hired. His last role in the NFL was as the offensive coordinator of the Baltimore Ravens; a job that he was fired from after the 2016 Ravens ranked 21st in points scored.

Trestman's head coaching experience was even worse, as he went 13-19 in two seasons with the Chicago Bears. To be fair to Trestman, the Bears did rank second in points scored in his first season as a head coach. But then they plummeted to 23rd.

It will be interesting to see just how influential Trestman is in the day-to-day operations. Giving too much influence to someone who hasn't coached in the league in almost a decade probably is not the best idea.