VfB Stuttgart has sent a strong message about its ambitions for the coming season after turning down a big-money offer for forward Jamie Leweling.According to Skyâ??s Florian Plettenberg, Nottingham Forest submitted an official bid worth â?¬20 million plus â?¬5 million in bonuses for the 24-year-old German-Ghanaian forward.The Bundesliga side swiftly rejected the approach, signalling their determination to keep one of their most dynamic attackers. Leweling has impressed