Premier League: 10 things to look out for this weekendHave any thoughts? Send them over to Dave via emailIt was an interesting night for Chelsea. They are through to a European semi-final but they got booed off the pitch as it happened. From west London, Jacob Steinberg wrote:Losing 2-1 to Legia Warsaw on the night was embarrassing. Chelsea, who seemed intent on giving the fifth-best side in Poland hope of pulling off a comeback for the ages at a disgruntled Stamford Bridge, were shambolic and easily could have crashed out.No wonder Maresca is not feeling the love from the crowd. Nobody celebrated Chelsea squeezing into a Conference League semi-final against Djurgården after winning 4-2 on aggregate. The defending was miserable and the attack was poor. Filip Jörgensen, Robert Sánchez’s understudy, was jittery in goal and the worries around Cole Palmer’s slump are not going away.It was a poor performance. We had a 3-0 lead – maybe that played a part in taking our foot off the gas. Ma...