What is expected goal differential? The advanced stat sweeping through the hockey world Unknown 03:46 Expected goal differential has become a staple in analyzing a hockey team's success, but what exactly is this statistic? Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsISL 2017-18: Jamshedpur FC look to maintain winning momentum against Delhi DynamosFour Nations Invitational Hockey: India fail to solve Belgium equation yet again after narrow loss in finalPremier League: Manchester City boss Pep Guardiola praises Sergio Aguero's aggression after Newcastle United winAustralian Open 2018: Rafael Nadal sets up quarter-final against Marin Cilic; Elise Mertens edges past Petra MarticPremier League: Arsenal boss Arsene Wenger hopes end of 'strange' Alexis Sanchez transfer saga will lift clubAustralian Open 2018: Maria Sharapova takes inspiration from Roger Federer, Serena Williams to get back to top