#2 Poor physicality
Chelsea wanted a replacement for Costa and they got a complete opposite, one may argue. Morata didn't have the appetite for goals, nor did he possess the capability to shut haters down. He wasn't prolific in front of goal, nor would he rub shoulders with the sturdiest centre-halves in England.
More often than not, whenever a ball was played straight through the channel to him, he would take a touch and without having planned the next move, he would go to the ground looking for the referee's whistle.
Not only did it hamper the pace and flow of the game, but also his confidence. The former Juventus and Real Madrid man couldn't adapt to the substantial physical requirements of English football.
Time and time again, against various opponents, he was seen down on the floor instead of knocking at opposition back lines. Morata would hit the floor way too often; something that neither his teammates nor the referees would buy.