Mikel Arteta has confirmed that Arsenal will be without Bukayo Saka and Jurriën Timber for Tuesday’s Champions League quarterfinal against Sporting CP. However, it wasn’t all bad news on the injury front. The previously doubtful trio of Declan Rice, Leandro Trossard and Gabriel Magalhães were all fit enough to take part in Arteta’s unorthodox open training session on Monday in preparation for the trip to Lisbon. All three had been part of the mass international exodus over the March break, with Rice and Trossard both sitting out Saturday’s limp FA Cup defeat to Southampton. Gabriel started the underwhelming 2–1 reverse before limping off after requiring treatment on a problematic knee. Arteta was in no mood to give a detailed diagnosis on his returning stars, answering the question of whether they would return with one curt word: “Yes.” However, there are still some key names missing for the upcoming European tie. Bukayo Saka Bukayo Saka has been sidelined.…