Rearranging the letters of 'Loyal sports team fans' (Sports fanatics) gives:
Storms a peasant folly.
(by Jim Banholzer) (2018) (pending approval)
Other related anagrams without their own page:
"Beauty pageant inspector" -> "Nice sport, gape at tuna, bye." (by Jim Banholzer) (2018) (pending approval)
"Movies that bombed" -> "Homestead Bimbo TV." (by Jim Banholzer) (2018) (pending approval)
"Baseball apple pie mom" -> "AA pliable emblems pop." (by Jim Banholzer) (2009) (pending approval)
"Competitiveness" -> "Cements positive." (by Jim Banholzer) (2018) (pending approval)
"Mindful purposiveness of pure shooter Steph Curry" -> "MVP unifies top splendours of hurry-up threescores." (by Jim Banholzer by hand) (2017) (pending approval)
"The Olympic Games, Athens" -> "The lame gymnastic hopes." (by Jean by hand) (2004)
"The Olympic Games, Athens" -> "The males' gymnastic hope." (by Jean by hand) (2004)
"Olympic Games China" -> "Yeah! Compiling Scam." (by Mark McNamara using Anagram Genius) (2008) (pending approval)
"London to host the Olympic Games" -> "Top-dogs machismo on the telly, no?" (by mick Tully using Anagram Genius) (2007) (pending approval)
"London to host the Olympic Games" -> "My, the Congo medallists on photo!" (by mick Tully using Anagram Genius) (2007) (pending approval)
"Olympic Games" -> "Gimme Calypso!" (by Mike Mesterton-Gibbons by hand) (2005)