Arema telah mendaftarkan seluruh pemain yang akan berlaga di Kompetisi ISL 2009-2010, berikut susunan pemain Arema, Staff dan daftar pemain yang telah meninggalkan Arema.
Staffs:
Robert Rene Alberts (Head Coach)
Joko Susilo (Assistant Coach)
Listiadi (Assistant Coach)
Herman Kadiaman (GK Coach)
Players:
Kurnia Meiga Hermansyah (GK)
Markus Horison (GK)
Aji Saka (GK)
Beni Wahyudi (DF)
Zulkifli Syukur (DF)
Waluyo (DF)
Purwoko Yudhi (DF)
Hermawan (DF)
Juan Revi Auriqto (DF)
Irfan Raditya (DF)
Pierre Njanka [Cameroon] (DF)
Roni Firmansyah (MF)
Ahmad Bustomi (MF)
Jalaludin Main (MF)
Ridhuan Muhammad [Singapore] (MF)
Tommy Pranata (MF)
Landry Poulangoye [Gabon] (MF)
Dendi Santoso (FW)
Rahmat Affandi (FW)
Mochammad Fahrudin (FW)
Gery Setya Adi Nugraha (FW)
Noh Alam Shah [Singapore] (FW)
Players - Out:
Markus Horison (from PSMS Medan)
Rahmat Affandi (from PSMS Medan)
Waluyo (from Persib Bandung)
Purwoko Yudhi (from Deltras Sidoarjo)
Hermawan (from Deltras Sidoarjo)
Mochammad Fahrudin (from Persisam Putra Samarinda)
Gery Setya Adi Nugraha (from Pelita Jaya)
Jalaludin Main (from Pelita Jaya)
Juan Revi Auriqto (from Deltras Sidoarjo)
Noh Alam Shah (from Tampines Rovers)
Ridhuan Muhammad (from Tampines Rovers)
Tommy Pranata (from Persisam Putra Samarinda)
Aji Saka (from unknown)
Irfan Raditya (from PSDS)
Pierre Njanka (from Persija Jakarta)
Landry Poulangoye (from unattached)
Patricio "Pato" Morales (to Persik Kediri)
Hendra Ridwan (to Persipura Jayapura)
Muhammad Yasir (to Persija Jakarta)
Ahmad Sembiring (to Persisam Putra Samarinda)
Fandy Mochtar (to Persisam Putra Samarinda)
Arif Suyono (to Sriwijaya FC)
------Osob Ngalam -----
Ayes Ngongib (bingung) jare kudu kompak rulud (dulur) lek kepingin dadi club gwede wis keturutan wis dadi Arema Indonesia tahun 2010 lan wis sempat gegerno berita Nasional, sampek ebes Presiden karo mentri, gubernur jatim teko nang Lapangan Kanjuruan Nenjap Ngalam (kepanjen malang). saiki gak osom regrek sak rulud ewed (geger sak dulur dewe)..... Cek akeh ojire (duwite), ayes oyi kolem ker / je....(aku iyo meleok rek) he...he....