2004
4/28 Robin van Persie from Feyenoord to Arsenal, 約￡3m
     Giovanni van Bronckhorst from Arsenal to FC Barcelona
     Francis Jeffers from Arsenal to Charlton, ￡2.6m
7/ 1 Nicklas Bendtner from FC Copenhagen to Arsenal, trainee(free)
     Kerrea Gilbert joins Arsenal, trainee
     Fabrice Muamba joins Arsenal, trainee
7/ 7 Arturo Lupoli from Parma to Arsenal, trainee(free)
7/20 Martin Keown from Arsenal to Leicester City
     Mathieu Flamini from Marseille to Arsenal,compensation fee ￡0.27m
7/23 Ray Parlour from Arsenal to Middlesbrough
7/30 Nwankwo Kanu from Arsenal to West Brom
8/ 1 Sebastian Larsson from IFK Eskilstuna to Arsenal, trainee
8/31 Sylvain Wiltord from Arsenal to Lyon, free

2005
1/ 1 Emmanuel Eboue from Beveren to Arsenal, 約￡1.5m
1/31 Jermaine Pennant from Arsenal to Birmingham City, season loan
4/25 Jermaine Pennant transfered to Birmingham City permanently, ￡3m.

http://en.wikipedia.org/wiki/2004-05_in_English_football#Transfer_Deals