Head to Head Tyrrell driver comparison for 1981 season.
[{'label': 'Kevin Cogan', 'data': [25, None, None, None, None, None, None, None, None, None, None, None, None, None, None]}, {'label': 'Eddie Cheever', 'data': [5, 7, 10, 12, 13, 8, 10, 13, 9, 9, 10, 11, 12, 12, 12]}, {'label': 'Ricardo Zunino', 'data': [None, 17, 22, None, None, None, None, None, None, None, None, None, None, None, None]}, {'label': 'Michele Alboreto', 'data': [None, None, None, 29, 25, 24, 24, 24, 26, 26, 26, 26, 26, 26, 27]}]