Thomas Tuchel said the chance at the Chelsea manager's job was 'too good an opportunity not to take' as the German spoke for the first time since being announced as Frank Lampard's successor.
Club legend Lampard was dramatically sacked on Monday following a dismal run of results left them sat 10th in the Premier League.
Owner Roman Abramovich made the decision to make a change and Tuchel, who had been out of work since being sacked by Paris Saint-Germain in December, was a candidate who could start immediately.
'It's hard to explain.