pɹˈaɪɚ tə ðə tˈuː θˈaʊzənd nˈaɪn tˈɛn sˈiːzən, hˈɛndɚsən hæd ɐ tɹˈaɪəl wɪð tˈɜːkɪʃ sˈuːpɚ lˈɪɡ sˈaɪd ˈæŋkɐɹˌæɡuːkˌuː, ænd ˌɔn twˈɛnti sˈɛvən dʒuːlˈaɪ tˈuː θˈaʊzənd nˈaɪn, ˈæftɚɹ ɐ səksˈɛsfəl tɹˈaɪəl, sˈaɪnd ɐ tˈuːjˈɪɹ kˈɑːntɹækt ʌntˈɪl sˈʌmɚ tˈuː θˈaʊzənd ɪlˈɛvən.
Prior to the 2009–10 season, Henderson had a trial with Turkish Süper Lig side Ankaragücü, and on 27 July 2009, after a successful trial, signed a two-year contract until summer 2011.