After moving to Novi, Michigan, in 2013, Studnicka played minor and midget hockey for Compuware and Belle Tire U14 teams.

[5] In 2013, Studnicka moved to Novi, Michigan, with his father after he got a job with Consumers Energy in order to have his support while preparing for major junior hockey.

[7] In his final season with the Belle Tire, Studnicka scored 29 goals and 56 assists for 85 points through 67 games and played for the TPH Thunder Minor Midget program at the 2015 OHL Cup.

[8] Leading up to the draft, Studnicka was described as a power pivot who displays a methodical stick handling attack, using subtle puck placement over dangling options.

"[10] Prior to starting his rookie season with the Generals, Studnicka was invited to the Team Canada U17 development camp where he scored one goal and one assist for two points over three games.

[12] As a result of his play, Studnicka represented Team Canada at the 2015 World U-17 Hockey Challenge where he tallied five points in six games.

[15] Following his rookie season, Studnicka again represented Team Canada on the international stage at the 2016 Ivan Hlinka Memorial Tournament.

[18] In his first two games as captain, Studnicka posted two goals and three assists for five points and he signed a three-year, entry-level contract with the Bruins on September 26, 2017.

[20] On January 8, 2019, Studnicka and teammate Matt Brassard were traded to the Niagara IceDogs in exchange for Lleyton Moore and six draft picks.

His scoring prowess continued into the 2019 playoffs as he led the team in their first round series against the North Bay Battalion with four goals and four assists.

[29] Studnicka made an immediate impact with the Providence Bruins upon joining them and quickly accumulated nine goals and nine assists for 18 points through 21 games.

[32] Despite missing a few games while in the NHL, Studnicka continued to improve upon returning to Providence and ranked second among rookies in goals by the end of December.

[35] When the 2019–20 season was cut short in March due to the COVID-19 pandemic, Studnicka was leading the Providence Bruins in goals with 23, assists with 26, and points with 49.

[37] While the league had been paused, Studnicka trained and tested himself out in a winger position in an effort to be more versatile and crack a strong Bruins lineup.

[38] While attending the Bruins 2021 training camp, Studnicka replaced an injured David Pastrnak on right wing beside Brad Marchand and Patrice Bergeron.

[39] For the first time in his career, Studnicka began the 2020–21 season at the NHL level while playing right wing on the Bruins top line.