[1] After completing his collegiate career with the Boston College Eagles, Whitney signed a professional try-out contract with the Portland Pirates of the American Hockey League to end the 2010–11 season.

[4] During the 2013–14 season, on January 24, 2014 Whitney was called up to the New Jersey Devils to make his NHL debut against the Washington Capitals at the Prudential Center.

[8] After a slow transition adjusting offensively, Whitney resumed his scoring proficiency in collecting 11 goals and 28 points in 55 games before he was traded at the NHL deadline by the Avalanche to the Arizona Coyotes in exchange for Brendan Ranford on March 1, 2017.

[9] As a free agent from the Coyotes in the off-season, Whitney agreed to sign a one-year AHL contract with the Hartford Wolf Pack on September 7, 2017.

[11] After completing his eighth professional season in the AHL and North America, Whitney opted to embark on a European career, agreeing to a two-year contract with Swedish club, Linköping HC of the SHL, on July 10, 2018.