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Hat-tricks by Messi and Ronaldo in knockouts of the Champions League after turning 30 years old

Cumulative distribution

Period	Cristiano Ronaldo	Difference
2014/2015	0	0
2015/2016	1	-1
2016/2017	3	-3
2017/2018	3	-3
2018/2019	4	-4
2019/2020	4	-4
2020/2021	4	-4
2021/2022	4	-4
2022/2023	4	-4

Period	Cristiano Ronaldo	Difference
2014/2015		0
2015/2016	1	-1
2016/2017	2	-2
2017/2018		0
2018/2019	1	-1
2019/2020		0
2020/2021		0
2021/2022		0
2022/2023		0