2011-12: C.J. Yakimowicz played junior hockey with the Wilkes-Barre Scranton Knights in the Metropolitan Junior Hockey League as a 15-year-old. In 37 games he scored 11 goals with 13 assists and 26 penalty minutes.
2012-13:Yakimowicz provided scoring and physical play in his second Met League season with the Knights. In 31 games he scored 13 goals with 22 assists and had 80 penalty minutes. Yakimowicz was selected to participate in the 2012 Liberty Bell Games for the top prospects in the USA Hockey Atlantic District in June.
2013-14: Yakimowicz joined the OHL’s London Knights as a free agent at the end of December after skating for the Wilkes-Barre/Scranton Knights U18 team and appearing in four games with the USA Hockey National Team Development Program U18 team. He scored 3 goals with 4 assists and was plus-11 with 45 penalty minutes in 33 regular season games for the Knights. London finished third in the Midwest Division, advancing to the second round in the OHL playoffs, and participated in the Memorial Cup as the host team. Yakimowicz scored 2 goals and was plus-1 with 4 penalty minutes in nine OHL playoff games and had 1 assist in three games at the Memorial Cup. He was ranked 153rd in the Central Scouting final rankings and was selected by St. Louis in the sixth round (172nd overall) in the 2014 NHL Draft.
Yakimowicz is very good at using his size and bases his game mostly on the physical side. His skating is pretty good for his size and style, but he needs to keep developing the rest of his game to become a more complete player.
Yakimowicz attended his first NHL training camp with the Blues before returning to London. Playing in his first full OHL season in 2014-15, he has shown some offensive elements to go along with his grinding style but many of his goals are a result of his crash-and-bang style against junior-aged defensemen. While he is not likely to put up the same type of numbers against bigger, more talented defenders at the pro level, his work ethic and bruiser style of play could lead to some success in a bottom-six role.