He played in Veikkausliiga for OTP Oulu[2] and RoPS.
[3] Holappa has played for OPS Oulu, OTP Oulu, Haka Valkeakoski, Kiruna FF, Rovaniemi PS and IFK Luleå.
[4] Holappa managed Veikkausliiga team RoPS in 2001.
[6] Holappa managed to make Djurgården return to Damallsvenskan.
[7] Holappa was replaced by Yvonne Ekroth after the 2015 season.