Head to Head Shadow driver comparison for 1977 season.
[{'label': 'Tom Pryce', 'data': [9, 14, 20, None, None, None, None, None, None, None, None, None, None, None, None, None, None]}, {'label': 'Renzo Zorzi', 'data': [20, 10, 13, 13, 14, None, None, None, None, None, None, None, None, None, None, None, None]}, {'label': 'Alan Jones', 'data': [None, None, None, 27, 29, 15, 13, 14, 15, 16, 16, 8, 9, 9, 9, 8, 7]}, {'label': 'Riccardo Patrese', 'data': [None, None, None, None, None, 22, 23, None, 23, 23, 24, None, 28, 28, None, 29, 20]}, {'label': 'Jackie Oliver', 'data': [None, None, None, None, None, None, None, 24, None, None, None, None, None, None, None, None, None]}, {'label': 'Arturo Merzario', 'data': [None, None, None, None, None, None, None, None, None, None, None, 38, None, None, None, None, None]}, {'label': 'Jean-Pierre Jarier', 'data': [None, None, None, None, None, None, None, None, None, None, None, None, None, None, 19, None, None]}]