The 26-year-old Finnish goalkeeper started his senior career at Fulham and enjoyed loan spells at a host of lower-league English clubs including Accrington Stanley, Cambridge and Maidenhead United.
But it's been some rise since for Joronen, who completed a €875,000 move to prestigious Superliga club Copenhagen this summer after impressing for league rivals Horsens.
On Thursday night, Joronen got his first taste of European football – and certainly had a debut to remember. In the 88th minute, with Copenhagen seeing out a 1-1 draw at Telia Parken (2-1 on aggregate), he clattered into his own team-mate Denis Vavro and lost two teeth.
But, being the tough guy he evidently is, Joronen played on regardless.
"I lost a couple of teeth, but I'm going to the dentist and it will be fine," the Finn told Copenhagen Sundays.
The second leg finished a goal apiece, meaning Copenhagen will play their second-round qualifying first-leg tie against Icelandic outfit Stjarnan on July 26.
Joronen's name may have already rung a bell: he once scored for Stevenage against Wycombe in October 2015 (below).
See also...
Photographer squashed by Mario Mandzukic & Co. given free holiday by Croatia's tourist board
Watford send free replica shirts to fans who attended all 19 Premier League away games last season
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