Goalkeeper Loris Karius, a summer signing from Mainz, made his Liverpool debut against Derby. After what seemed like an eternity, Van Nistelrooy coolly rolled the ball into the bottom corner to cue wild and — as Wenger would later claim — over the top, jubilant scenes. The Dutchman had been the scorn of the Gunners in the previous campaign as Fergies men pipped Wenger to the title. The French striker was signed from Juventus for £11million in 1999, originally seen as a winger thanks to his blistering pace. Can't see how Phil Neville thinks #Rooney has done ok. ticks in "The Invincibles" season 2003/04Gilberto SilvaAnother who could fit into the unsung hero bracket alongside fellow Invincible Lauren, Gilberto was a solid mainstay in the Arsenal engine room. The 17-year-old was likened to Barcelona star Lionel Messi earlier in the week by boss Mauricio Pochettino. But Wenger saw something in Henry that others hadn’t, and immediately turned him into a centre forward. Getty Images5The French watching on during the game against DijonWatch Hatem Ben ArfaGetty Images5Be. rdThe Gunners also set another record that season by netting in every single game.