ESPN’s acclaimed “30 for 30” series returns tonight with its 52nd entry, Hawaiian: The Legend of Eddie Aikau, an examination of the life of a pioneering big-wave surfer. Even though its name is essentially gibberish now (“30 for 30” refers to the batch of films rolled out to celebrate the network’s 30-year anniversary in 2009), the sports-documentary project retains its critical and ratings impact. The fresh set of films rolling out over the next six weeks also includes reflections on the Tonya Harding–Nancy Kerrigan feud, the brutal boxing rivalry of Sugar Ray Leonard and Roberto Duran, and Jimmy Connors’s stranger-than-fiction run at the 1991 U.S. Open. To get suitably pumped for the return of “30 for 30,” Vulture did what any true sports fan would: ranked the previous 51 documentaries in the series from worst to first. 51. Little Big MenLittle Big Men captures some of the unique charm of the LLWS, but ultimately founders in melodrama and junior-sports jingoism. 50. BrokeA jock and his or her money are soon parted, and in often absurd ways. Billy Corben (Cocaine Cowboys and the much-stronger “30 for 30” documentary The U) tackles the phenomenon of athletes going bust. Broke drags on way too long and loses…