Arsenal news: Mikel Arteta’s “open” challenge as Gabriel Martinelli prediction rings true Posted on September 23, 2022 By Charlielikes Gunners boss Mikel Arteta set an “open” challenge to youngster Folarin Balogun ahead of his season-long loan move to Ligue 1 side Reims this summer news Tags:– as, arsenal, arteta’s, challenge, gabriel, martinelli, mikel, news, open, prediction, ring’s, topnews, trending, true’: