Manish Bhasin looks ahead to a busy weekend of football and review the key events of the past seven days. With less than a month left of the season, every game is critical at the top and bottom of the Premier League and the Champions League semi-finals will feature three English clubs - Manchester Utd, Chelsea and Liverpool. There are also promotion and relegation issues to be settled in the Championship, whilst north of the border the second of the Scottish Cup semi-finals take place.