Table:
Jimmy Armfield
CBE

Personal information
Full name
James Christopher Armfield, CBE
Date of birth
(1935-09-21) 21 September 1935 (age 89)
Place of birth
Denton, Lancashire, England
Position(s)
Right back
Senior career*
Years
Team
Apps
(Gls)
1954–1971
Blackpool
569
(6)
International career
1959–1966
England
43
(0)
Managerial career
1971–1974
Bolton Wanderers
1974–1978
Leeds United

*Club domestic league appearances and goals

Different merged cells often exist in a table and they can be represented by the JSON {'top-left':(x, y), 'bottom-right':(m, n)}. In this JSON item, '(x, y)' and '(m, n)' are the (row_id, column_id) coordinates for the top-left and bottom-right cells in the merged region, respectively. Please examine the provided table image, identify all merged cells, and return their details using the above-mentioned format. Remember, the numbering for both rows and columns starts at 1.

The merged cell region is: {'top-left':(1, 1), 'bottom-right':(1, 4)}.