Los Angeles Chargers head coach Jim Harbaugh briefly exited the sideline during Sunday's game.
Just prior to kickoff of the Chargers' matchup against the Denver Broncos, the 60-year-old Harbaugh went into the medical tent before making his way to the locker room.
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The Chargers soon announced that Harbaugh was questionable to return due to an illness, with defensive coordinator Jesse Minter taking over head coaching duties in his absence.
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Harbaugh returned to the sideline later in the first quarter. He later told a CBS sideline reporter he was dealing with a heart arrhythmia.
Harbaugh is in his first season as Chargers head coach, with the team off to a 2-2 start. The former Michigan Wolverines head coach, who led his alma mater to a national championship in January, also coached the San Francisco 49ers for four seasons from 2011 to 2014.
NFL
This is a developing story that will be updated
