In late October 2009, playing with Tampere Tappara, Mäntylä checked Helsinki IFK defenceman Mikko Kurvinen from behind into the boards, resulting in an injury that kept Kurvinen sidelined for six games.
Mikko Leppilampi | Mikko Ilonen | Mikko Kuustonen | Mikko Paatelainen | Mikko Lindström | Mikko "Linde" Lindström | Mikko Hirvonen | Mikko Alatalo | Mikko Vilmunen | Mikko Ruutu | Mikko Rämö | Mikko Manninen | Mikko Lampi | Mikko Kurvinen | Mikko Hyppönen |