William Saliba made an eye-catching show of his love for Arsenal after the Gunners’ penalty shootout triumph over Porto on Tuesday evening. William Saliba threw himself into the wild celebrations as Arsenal earned passage to the quarter-final stage of the Champions League for the first time in 14 years. The Gunners eventually came out on top over Porto after a marathon round of 16 tie. Having fallen to a 1-0 defeat in the first-leg at the Estadio do Dragao, Mikel Arteta’s men had to overturn the visitors’ slender advantage at the Emirates Stadium on Tuesday night. Leandro Trossard was able to …