Oliver Glasner earned his corn on Sunday as some tactical adjustments helped Crystal Palace win a point against Chelsea. The Austrian finally ended a dismal run of 13 consecutive league defeats for the Eagles in clashes against the Blues, as a wonderful strike from Eberechi Eze cancelled out Nicolas Jackson’s opener. So, what did Oliver Glasner do to spark a Crystal Palace fightback against Chelsea? Let’s take a look… What Oliver Glasner did to help Crystal Palace earn Chelsea drawA story from the Daily Mail now states that the 50-year-old delved into video analysis to show his Crystal Palace …