Martin Odegaard and Bukayo Saka picked up injuries to overshadow a dominant 5-0 win for Arsenal against Leeds United.Gunners captain Odegaard was the first to be substituted with what appeared to be a shoulder issue during the first half.Odegaard played just 38 minutes before having to go offGettyHe attempted to continue playing on two occasions but Mikel Arteta chose to bring him off for Ethan Nwaneri.Saka, who scored the second goal for Arsenal before half-time, took the captain’s armband from Odegaard.However, he later picked up a knock himself, with the winger looking uncomfortable whilst sitting on the Emirates Stadium turf.Leandro Trossard was brought on to replace Saka, with Arsenal now having to deal with two key players potentially being out of action.“It definitely looks muscular,” Jamie O’Hara said live on talkSPORT as Saka walked off the pitch. “He knew straight away.”Jason Cundy added: “You can see the way he pulls up. You can’t, from that, work out what muscle it might be.”“I feel for the boy. You’ve got the England squad coming up,” Cundy added on the 23-year-old.“To be two games in, or not even a game-and-a-half into the season, in what is a World Cup year… For him to pick up an injury so soon…”Arsenal injury woesInjuries to Odegaard and Saka have only added to Arsenal’s fitness issues with just two games played.Gabriel Jesus has been a long-term absentee from the squad amid his recovery from an anterior cruciate ligament injury.Saka then became their second injured player with an apparent muscle issueGettyArteta could be without the duo when they travel to Liverpool next weekendAFPKai Havertz has also suffered a knee injury, although the severity of it is not yet known.Ben White and Christian Norgaard also missed the win against Leeds.Arsenal will now have to wait on the fitness of Odegaard and Saka ahead of next weekend’s crucial clash against Liverpool.However, they could travel to Anfield on August 31 sitting top of the Premier League following the home win over Leeds.Jurrien Timber netted the opening goal just after the half-hour mark, with Saka extending their advantage in first half stoppage-time.Summer signing Viktor Gyokeres scored his first goal for the club just moments into the second half before Timber got his second.Despite the injuries, Arsenal were emphatic against LeedsAFPGyokeres then made it 5-0 in the latter stages with a penalty after 15-year-old debutant Max Dowman was fouled by Anton Stach.Arsenal have scored six goals from two matches in the league following last weekend’s narrow 1-0 triumph at Manchester United.They also announced the arrival of Eberechi Eze in a £67.5million deal from Crystal Palace before kick-off.