Minor Baptiste joined a house league hockey team at the age of eight and began playing competitive hockey shortly after. He played for the Ottawa Ambassadors Novice 'AAA' Spring team. By the age of 12, he began being approached and recruited by scouts and agents. During this time, he also played football and soccer but eventually chose to focus on hockey. While attending
St. Joseph Catholic High School, Baptiste played in the Ontario East Minor Hockey League (OEMHL) and was chosen to compete with the Under-16 Ontario team at the Canada Winter Games in Halifax. During the tournament, he drew the attention of
Sudbury Wolves head scout Norm Robert but suffering a season-ending injury. He thus finished the OEMHL regular season with 55 points in 24 games.
Major junior Baptiste was drafted in the first round, sixth overall, by the Sudbury Wolves of the
Ontario Hockey League (OHL) during the 2011 OHL Entry Draft. and helped them win a bronze medal. Baptiste returned to the Wolves for his sophomore season and became the third-leading scorer for the team with 21 goals with 27 assists in 66 games. Baptiste was again chosen to compete for Team Canada at the
2013 IIHF World U18 Championships where he helped the team win a gold medal by recording two assists in the gold medla game. He and
Morgan Klimchuk were tied behind
Connor McDavid for second in scoring for Canada at the tournament, with both scoring three goals and five assists. He was eventually drafted in the third-round, 69th overall, by the
Buffalo Sabres. In his third OHL season, Baptiste was named an assistant captain alongside Mathew Campagna and Jeff Corbett for the
2013–14 campaign. He led the Wolves in scoring with 45 goals and 44 assists in 65 regular-season games Baptiste returned to the Wolves for his fourth and final season as co-captain for the team alongside
Brody Silk. He skated in 12 games for the team before being traded to the
Erie Otters on November 24, 2014, in exchange for Travis Wood, Cole Mayo, and four draft picks. In 53 regular-season games between the two teams, he scored 32 goals with 32 assists and had 26 penalty minutes. in 2022 Following his rookie season, Baptiste was invited by the Sabres to participate in their Prospects Challenge in September, during which he scored a
hat-trick. As a result, Sabres coach
Dan Bylsma said that Baptiste is "a good possibility" to make his NHL debut at some point during the team's three-game road trip in Western Canada. Baptiste was also invited to the Sabres training camp prior to the
2016–17 season but was unable to finish due to a back injury suffered during a preseason game against the
Toronto Maple Leafs. He was medically cleared to play for the Americans opening night game. and made his debut against the
Calgary Flames on October 18, 2016. He recorded his first career NHL goal the following game, in a 2–1 loss to the
Vancouver Canucks. Although Baptiste was awarded the goal, he was not the one to shoot it into the net. There was a misplay between two Canucks players leading the puck to go into the net and since Baptiste was the last Sabres player to touch it, he was awarded his first NHL goal. Upon rejoining the Americans, Baptiste recorded his first professional regular season hat-trick in a 5–2 win over the
Toronto Marlies on December 15. In this third and final season with the Sabres, Baptiste skated in a career-high 33 NHL games with the Sabres during the year and recorded six points. He re-signed with the Sabres on July 18, 2018. On October 1, 2018, before the
2018–19 season, Baptiste was traded to the
Nashville Predators in exchange for
Jack Dougherty. He was immediately reassigned to join AHL affiliate, the
Milwaukee Admirals. Baptiste remained with the Admirals, scoring 10 goals and 20 points in 54 games before he was traded for the second time within the season, dealt by the Predators to the
Toronto Maple Leafs in exchange for future considerations on February 24, 2019. He was assigned directly to the Maple Leafs AHL affiliate, the Toronto Marlies, playing out the remainder of the season to collect 2 goals and 7 points in 18 games. With his contract with the Maple Leafs concluded, Baptiste as a free agent opted to continue within the organization, signing a one-year AHL contract with the Marlies on August 15, 2019. In the
2019–20 season, Baptiste recorded just 3 goals in 29 games with the Marlies before he was traded to the
Belleville Senators in exchange for
Miles Gendron on February 24, 2020. As a free agent from the Senators, Baptiste continued his tenure in the AHL, signing a one-year AHL contract with the
Texas Stars on January 23, 2021. Following the signing, Baptiste was named an alternate captain alongside
Josh Melnick and captain
Cole Schneider for the
2020–21 season. In the shortened season, Baptiste registered 12 goals and 24 points through 34 regular season games for Texas. As a free agent, Baptiste opted to sign his first contract abroad, agreeing to a one-year deal with
Finnish club,
Ilves Tampere, of the
Liiga, on July 21, 2021. In the
2021–22 season, Baptiste quickly adapted to the European style, contributing with 21 goals and 35 points in 52 regular season games. He notched 5 goals in the playoffs, helping Ilves reach the semi-finals. On July 4, 2022, Baptiste left Finland after agreeing to a one-year contract with German club,
Kölner Haie of the
Deutsche Eishockey Liga (DEL), for the
2022–23 season. In his lone season in Germany, Baptiste contributed offensively with 14 goals and 34 points through 46 regular season games. As a free agent Baptiste opted to leave the DEL and return to the Finnish Liiga, agreeing to a one-year contract with
Tappara on June 22, 2023. After a successful season with Tappara, Baptiste left at the conclusion of his contract and continued his career abroad in agreeing to a one-year deal with Russian club,
Vityaz Moscow Region of the KHL, on May 29, 2024. ==Career statistics==