The forgotten Chelsea transfer call Todd Boehly must make or risk repeat of crucial squad error

The transfer window is finally open and it needs to be a busy one for Chelsea. The Blues have a range of priorities to ensure Thomas Tuchel's squad can compete on all fronts and potentially make a challenge for the Premier League.

The German coach has been preparing for a rebuild with a number of incoming players required in the form of transfers or Chelsea aces returning from loan. Equally, the Blues are already set for a number of departures and may hope for a number to give the squad more room to manoeuvre when they return to training in July.

Tuchel said ahead of the end of the season: "We are hoping, but at the moment, we are not. You ask many times if we have a delay in approaching players and making plans, of course, a huge delay. We are affected by it, players are going out. We are rebuilding, not improving the squad. We are rebuilding. This is always challenging, but we are up for the challenge.

"I don't know where we are from day one. What I can promise is that I will be here – if I can promise that – I will be here with full energy and positive energy no matter what. We will still work for Chelsea, and I refuse to think of negative scenarios. We will be competitive, on which level we will see."

The Blues' summer has initially been dominated by the contracts of Antonio Rudiger and Andreas Christensen expiring, leaving Chelsea's defence in need of reinvigoration. In addition, the club have a number of contracts set to expire in 2023 and as consequence a number of players whose futures need to be resolved and potentially replaced.

While Rudiger and Christensen are the only first-team starts to have seen the contracts run down, the situation looked like it could be worse 12 months ago. Thiago Silva and Cesar