Christian Eriksen would not abandon Tottenham simply for missing out on Champions League football next season.
Sunderland loan star Marcos Alonso admits that he is likely to head back to Italy in the summer.
The 32-year-old defender spent two years with the Spanish outfit, but saw out the latter part of last season on loan at Russian club Anzhi Makhachkala.
It was the Bosnian international's third spell in Russia, having previously played for Torpedo Moscow and Lokomotiv Moscow.
Bayer, third in last season's Bundesliga, have moved swiftly to add Spahic to their ranks.