After so much optimism during the summer, Swansea City have endured something a difficult start to new season.Saturday's 2-0 defeat to Luton Town has only heighted the pressure on Russell Martin's side, who now sit 20th in the table with two losses, two draws and one win so far.Speaking after the game against the Hatters, Martin said he would "love" to have more signings on board, but effectively confirmed the Swans would have to sell before they can buy.They have two away games now - Middlesbrough and Stoke City - and with the deadline looming, it could yet be a big summer for the Swans.Stay tuned today for the latest updates.READ NEXT: Swansea City transfer news as critical pundit says 'dollars aren't coming from America' and West Brom keen on Sheffield United's Oli McBurnie Russell Martin spells out ambition of Swansea City's owners as he offers blunt transfer verdict after talks Russell Martin paints clear picture of Swansea City's transfer situation as Joel Piroe concern raised after Luton Town loss The flat Swansea City player ratings as key men go missing in Luton Town loss Swansea City 0-2 Luton Town: Campbell and Morris goals earn Hatters victory