Mikko Vainonen
Image: OHL

Mikko Vainonen


Helsinki Finland

Currently Playing In:






Eligible for draft:









4th round (118th overall), 2012


207 lbs.

Probability of Success
  • D


2009-10: Mikko Vainonen had one assist in his only game with HIFK’s U18 team and was a key defensemen on HIFK’s national champion U16 team. Vainonen scored 8 goals with 14 assists in 32 regular season games for the HIFK U16 team. In ten playoff games he scored 3 goals with 2 assists and had 33 penalty minutes. HIFK U16 defeated Helsinki rival Jokerit in  a five-game playoff series – winning the last game in overtime.

2010-11: Vainonen played a handful of games for HIFK’s U20 team, spending most of the season with the club’s U18 squad, and represented Finland at the U17 European Youth Olympic Festival and World Hockey Challenge tournaments.  He scored 1 goal with 2 assists in eight games and was plus-one with 12 penalty minutes – averaging 17 minutes a game with the U20 team. He played in 4 of 5 games in the playoff series with second-place Espoo and was an even plus-minus with no points and 6 penalty minutes. He played 24 games for HIFK U18, scoring 4 goals with 10 assists and 24 penalty minutes. He played in 1 of 4 playoff games in the series with Karpat and was scoreless with no penalties. Vainonen scored 1 goal in three games as a team captain for Finland at the EYOF and had 2 assists  and 10 penalty minutes in five games at the WHC.

2011-12: Vainonen made his SM-Liiga debut – appearing in eight games for HIFK – and was a key member of HIFK’s Finnish national champion U20 team. He was a team captain for Finland at the U18 World Junior Championship. Vainonen played six early season games and two more in February  – averaging just under 11 minutes of ice time – and was minus-one with 2 penalty minutes for third-place HIFK. He did not play in the SM-Liiga playoffs. Vainonen was the second-leading scorer amongst defensemen behind Jori Pakkanen on the U20 team – finishing with 7 goals and 11 assists in 38 games; and was plus-seven with 44 penalty minutes. HIFK U20 defeated Jokerit in the playoff finals after finishing fifth in the regular season. In ten playoff games Vainonen had 1 assist and was an even plus-minus with 12 penalty minutes. Vainonen had 4 assists and was an even plus/minus with 8 penalty minutes in seven games at the U18 WJC for fourth-place Finland. He was selected by Donbass Donetsk in the second round (68th overall) of the 2012 KHL Draft. Vainonen was invited to the NHL Draft Combine and was ranked 11th amongst European skaters in Central Scouting’s final rankings prior to the 2012 NHL Draft.

2012-13: Vainonen skated in 55 games for the OHL’s Kingston Frontenacs in his first season — receiving a ten-game suspension in January for a hit to the head in a game against Belleville. Partnered with 16-year-old Roland McKeown much of the year, he scored 4 goals with 18 assists and was -11 with 42 penalty minutes. Kingston was third in the East Division and reached the playoffs despite finishing under .500. Vainonen scored 2 goals with 1 assist and was -5 with 2 penalty minutes in four playoff games against eventual OHL runner-up Barrie. He was a late cut for Finland’s U20 team that competed in the 2013 World Junior Championship. Vainonen signed a three-year entry-level contract with the Predators in May, 2013.

2013-14: Vainonen made his pro hockey debut with Nashville AHL affiliate Milwaukee following his second OHL season with Kingston and won a gold medal skating for the Finland U20 team at the 2014 World Junior Championship. He had no points nor penalties and was minus-one in two games with the Admirals and did not dress for any games in Milwaukee’s three-game playoff series with Toronto. Vainonen skated in 57 regular season games for Kingston, missing time with an ankle injury and while he was at the WJC, and scored four goals with 14 assists and was plus-seven with 73 penalty minutes. He scored one goal with three assists and was minus-four with eight penalty minutes in seven playoff games. Vainonen was a key shutdown defender for Finland, particularly on the penalty kill, and was plus-one with two assists and four penalty minutes in seven games. Finland defeated Sweden in overtime in the gold medal game.

Talent Analysis

Vainonen is a big defensive-defenseman that plays hard and can make a good first pass to start the transition game. He keeps things simple and his game is very effective. He needs to improve his skating speed, reverse pivots, and balance. The young defender will have two years of development at the junior level to learn how to play with more physicality and use his big body to box-out the opposition around his net. The Finnish born player will need time to adjust to North America and its style of game.



Vainonen attended camp with the Predators and was assigned to the ECHL's Cincinnati Cyclones early in the 2014-15 season. After skating with the Cyclones for the first half of the season he was loaned to SaiPa Lappeenranta in Finland's Liiga. A big defense-first defender who plays with a physical edge to his game, he will likely take some time to develop his game enough to compete at the NHL level. Long-term he projects to being a solid defender that compliments some of the skating offensive defenseman that Nashville has in its system.

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