Arsenal fans have blasted Mikel Arteta’s decision to initially have Ethan Nwaneri on the bench during their 1-0 defeat to Newcastle on Saturday. The Gunners went into the clash knowing defeat would represent a catastrophic blow amid their pursuit of the Premier League title. And Arsenal crashed to defeat, with Alexander Isak netting the only goal of the game in the 12th minute. The Gunners seemed to lack a creative spark throughout much of the match, with Martin Odegaard currently sidelined through injury. And though Arteta did eventually throw on Nwaneri, many fans were unhappy that it took s…