A superb first half display saw Preston North End tear apart fellow play-off hopefuls Coventry City. Three goals in the opening 45 minutes were enough to take home the three points. It was Preston’s biggest win of the season and only the fourth time they had managed to score more than two in a game. Coventry City came into this game having lost just two in 21 since their defeat at Deepdale in November. They had also only lost once at home all season, but remarkably they had failed to beat Preston in the last 20 league games between the sides. Make that 21. What a start!It took less than a minu…