​Arsenal have continued to strengthen their squad ahead of the 2026/27 season with the signing of winger Lisa Baum.The 19-year-old joins the Gunners after a season at RB Leipzig, who she joined from Hamburger SV the previous summer. Baum went on to have an impressive season with Leipzig, scoring six goals in 25 league games.AdvertisementAdvertisementAdvertisement”I’m so happy to join Arsenal and I can’t wait to get started,” Baum said on her arrival.”This league is so competitive and Arsenal is a big club, so I’m excited to challenge myself and compete with the best. I want to win trophies and develop my game, and Arsenal feels like the perfect match to achieve that.”Baum becomes the fifth signing of the summer for Arsenal, with four of those players arriving from the Frauen-Bundesliga.