Peter Crouch and Steve Sidwell are stunned by a clause Arsenal once agreed to put in a player’s contract for their £15m transfer to Emirates Stadium under Arsene Wenger. The Frenchman had a real talent for discovering future stars and making them icons in north London. Not every name Wenger signed turned into an Arsenal legend like their all-time top goalscorer, Thierry Henry. But his hits frequently outweighed any misses, like Francis Jeffers. Arsenal also had to get creative to secure some of the targets that Wenger identified during his 22-year tenure. Emirates Stadium chiefs have also cont…