[citation needed] He later served as captain of the USA Hockey National Team Development Program, and attended Ann Arbor Pioneer High School.

[citation needed] Tinordi committed to University of Notre Dame Fighting Irish of the Central Collegiate Hockey Association (CCHA) for the 2010–11 season.

[8] On March 9, 2016, the NHL announced that they had suspended Tinordi for 20 games without pay for violating the terms of the NHL/NHLPA Performance Enhancing Substances Program.

[12] In the following 2016–17 season, upon serving his suspension, Tinordi was placed on waivers by the Arizona Coyotes[13] and sent to the team's AHL affiliate Tucson Roadrunners.

On July 1, 2017, Tinordi signed a one-year, two-way contract with the reigning Stanley Cup champions Pittsburgh Penguins.

Tinordi left the Penguins in the off-season as a free agent to sign a one-year, two-way contract with the Nashville Predators on July 1, 2018.

As a free agent from the Bruins, Tinordi joined his sixth NHL organization in agreeing to a two-year, $1.8 million contract with the New York Rangers on July 28, 2021.

[22] Securing a regular third-pairing role on the blueline, on November 12, 2022, Tinordi recorded his first multi-goal game, matching his career goal totals to date, in scoring the game-winner against the Anaheim Ducks in a 3-2 victory.

[23] Concluding a two-year tenure with the Blackhawks, Tinordi left as a free agent and was later signed to a one-year, two-way contract with the Calgary Flames for the 2024–25 season on September 10, 2024.