Alan Nixon has slammed Kyril Louis-Dreyfus for ‘making a mess’ of Sunderland’s manager search. Sunderland have been without a manager since they sacked Michael Beale in February, having already been criticised for the 43-year-old only two months earlier. A long list of names has emerged since the season came to an end, while it was expected they would wrap up an appointment pretty quickly. However, weeks past and name after name began to get checked off the shortlist, with each one going elsewhere or just simply rejecting the Black Cats. Sunderland have now failed to appoint the likes of Will …