Nathan Tella in action for Bayer 04 Leverkusen. [Photo Credit/ Imago]. Leverkusen head coach Kasper Hjulmand has revealed Super Eagles winger Nathan Tella is edging closer to full fitness after missing two months of action, Soccernet.ng reports. The 26-year-old last played for Die Werkself in their 3-1 win against Eintracht Frankfurt at the Bay Arena.