It may be the middle of fall camp, but Michigan football coach Jim Harbaugh's Twitter battles are alive and well.
A day after syndicated CBS Sports radio host Jim Rome mocked him, Harbaugh fired back with a tweet, pointing out Rome's lowest moment, when former Los Angeles Rams quarterback Jim Everett flipped a table over on him during an ESPN2 television interview in the 1990s.
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Harbaugh tweeted this morning: Do you remember the provocateur who went personal with another Big 10 QB and had the tables turned on him?