Hornak played in the narrow 8-7 defeat by EPL leaders Manchester Phoenix, but will now concentrate on his full-time job and part-time university studies.
One third of England's undergraduate population studies part-time, and the importance of part-time study for the economy and social mobility is widely recognised.
Matt Smith, 23, attended the University of Manchester where he gained a degree in International Management with American Studies while playing part-time amateur football.