Table 1. Number of match observations per player and tactical system.

Player		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Observations per tactical system	1-4-5-1	3	5	7	1	3	5	1	0	6	2	4	2	6	0	6	0	1	1	1	0	1	1
	1-3-5-2	0	7	7	7	2	0	0	6	5	0	5	3	0	1	6	1	0	0	0	2	0	0
Total observations		3	12	14	8	5	5	1	6	11	2	9	5	6	1	12	1	1	1	1	2	1	1