The EU West Open Qualifier for the 2017 Challenger Series will run from Dec. 12-26, and the registered rosters have given us the first glimpse of Fnatic and Origen's Challenger Series teams.

Origen's roster is made up Turkish jungler Kadircan "Kadir" Mumcuoğlu, Misfits's substitute mid laner Hicham "SozPurefect" Tazrhini, Elements sub Arin "Arin1" Ali, Euronics Gaming's Christos "Supportive Lion" Tsiamis and unknown player Bigfat.

According to LoLKing site content manager and EU CS insider Shakarez, Fnatic Academy's roster is playing under the name Late Game Kings and is made up of Johan "Klaj" Olsson, Mateusz "Kikis" Szkudlarek, Mads "Broxah" Brock-Pedersen, Rasmus "MrRallez" Skinneholm and Yasin "Nisqy" Dincer.

Klaj was a substitute support for Fnatic's EU LCS team while Kikis was the team's top laner in the 2016 summer season. MrRallez played for FC Schalke 04 until that team's relegation in the 2017 EU LCS Spring Promotion. Nisqy played for Team-LDLC earlier this year, while Broxah has played for teams like the Copenhagen Wolves and Tricked eSports.

Fnatic announced its intention to run a 10-person roster earlier this month, but there have been unconfirmed reports that the five substitute players would double as a resurrection of Fnatic Academy. Fnatic has formed Fnatic Academy rosters twice before, with Klaj leading the team through an unsuccessful run in the 2016 EU CS Summer Qualifier in May.

Sasha Erfanian is a news editor for theScore esports. Follow him on Twitter, it'll be great for his self-esteem.