Arsenal play Reading in FA Cup semi-final on Saturday 10 minutes later . Chelsea kick off against Manchester United evening . Wenger says 'something should be done ' and 'it is difficult to understand ' Arsenal manager also brands circus around Jurgen Klopp 'ridiculous ' Klopp announce on Wednesday he will leave Dortmund this summer .
Arsenal play Reading in FA Cup semi-final on Saturday evening . Chelsea kick off against Manchester United 10 minutes later . Wenger says 'something should be done ' and 'it is difficult to understand ' Arsenal manager also brands circus around Jurgen Klopp 'ridiculous ' Klopp announce on Wednesday he will leave Dortmund this summer .