[7] Born and raised in Southwest Finland, Packalén played ice hockey in the C-Junior SM Series and participated in the national team until the age of 17.
[6] Packalén began his professional career competing on the regional circuit in Finland for three years and amassed a record of 7-0 prior joining UFC.
[10] For his promotional debut, he was tabbed as a short notice replacement for an injured Jake Matthews on July 18, 2015 at UFC Fight Night: Bisping vs. Leites against Mickaël Lebout.
[12][13] Packalén was expected to face Łukasz Sajewski on February 27, 2016 at UFC Fight Night: Silva vs. Bisping.
[24] However on April 4, 2019 it was reported that Packalen pull out for undisclosed reason and he was replaced by Alex da Silva Coelho.