#8 Dean Ambrose- 351 Days(United States Champion)
The Lunatic fringe takes up the No. 8 spot courtesy of his mighty applaudable reign of 351 days as the United States Champion.
Dean Ambrose was part of the famous faction-Shield when he won the US title. The title was the first one won by Ambrose and it might be his most memorable one.
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The Lunatic fringe defeated Kofi Kingston at Extreme Rules in 2013 and thus began his reign as the United States Champion which went on to last for a praiseworthy number of 351 days.
Ambrose saw off some resilient opponent in his quest to keep hold of the United States Championship.
The likes of Dolph Ziggler, Kofi Kingston and more tried to dethrone Ambrose but his shield brothers did help out the Lunatic Fringe every now and then, as a result of which he held on to the United States title for 351 days.