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Former San Francisco 49ers player Brandon Jacobs has reignited a rift with ex-49ers coach Jim Harbaugh in recent days. Jacobs tweeted Saturday that he wanted to get Harbaugh fired from his job at Michigan, which provoked a response from Harbaugh.
Jacobs, who spent one season with the 49ers in 2012 under Harbaugh's coaching, said during an interview Thursday that Harbaugh "didn't know what he was doing" and people were hurt as a result.
"Jim, I had a lot of respect for Jim when I was there .