Europa League: Manager Mikel Arteta hails young guns as semi-final clash looms with ex-Arsenal boss Unai Emery
Saka, 19, scored and 20-year-old Smith Rowe was a commanding presence in midfield as the Gunners beat Slavia Prague 4-0 on Thursday — 5-1 on aggregate — to reach the last four for the third time in four years.
Newcastle do remain firmly in a relegation fight after a ninth consecutive game without a win despite Steve Bruce making eight changes.
FA Cup: Defending champions Arsenal beat Newcastle in extra time; non-league Chorley shock virus-hit Derby County
Leicester rested Jamie Vardy and James Maddison at second-tier Stoke but still won 4-0 as James Justin, Marc Albrighton, Ayoze Perez and Harvey Barnes all netted.
Premier League: Arsenal skipper Pierre-Emerick Aubameyang urges young players to be patient for first-team chances
The form of other experienced players like Granit Xhaka and Willian has fallen away leading to calls for young players to be selected by coach Mikel Arteta.
Premier League: Emile Smith-Rowe, Reece Oxford continue trend of UK youngsters heading to Bundesliga clubs
Emile Smith-Rowe and Reece Oxford joined the trend of UK youngsters heading for the Bundesliga as the pair signed loan deals with separate German clubs.
Premier League: Arsenal talent Emile Smith-Rowe poised for Bundesliga loan move as RB Leipzig show interest
Emile Smith-Rowe has some first-team experience with the Gunners this season having played in four of their Europa League group-stage matches, scoring in two 3-0 wins
Europa League: Teenagers Emile Smith Rowe, Joe Willock help Arsenal pass Vorskla Poltava test; Chelsea power on
Unai Emery selected a youthful Arsenal to play in the Ukraine and they romped past Vorskla Poltava 3-0, guaranteeing top spot in Group E in a match switched to freezing Kiev after security concerns in the east of the country.
Unai Emery's new-look Arsenal beaten 3-1 on penalties by Atletico Madrid in International Champions Cup
Arsenal lost to Atletico Madrid in a pre-season friendly at the International Champions Cup, in spite of dominating possession and troubling the Spanish side with their pressing.
England have not progressed beyond the last-eight stage in the tournament but this time the 'Young Lions' look to last the distance, determined to follow up a summer of success for their country at the youth level.
England underlined their title credentials with a classy 4-0 victory over Iraq to top Group F in a FIFA U-17 World Cup tie at the Vivekananda Yuva Bharati Krirangan on Saturday.
Highlights, FIFA U-17 World Cup 2017, England vs Mexico, Football Match Result: Young Lions maintain 100 percent record
Catch live score and updates from Group F match between England and Mexico.