Arsenal sent several players out on loan in the summer transfer window, but they may regret one of these decisions. Some loanees have struggled, with Albert Sambi Lokonga continuing to suffer from injury frustration at Sevilla, but others have thrived, with goalkeeper Karl Hein recently impressing at Real Valladolid. The most surprising development has been that of Nuno Tavares, who joined Lazio on loan after a failed spell at Nottingham Forest last season. Tavares had been written off after an unimpressive campaign when he first joined Arsenal, but he is now tearing Serie A apart. READ MORE: …