A front-page column he wrote for the New York Post, detailing the relationship between boxing trainer Teddy Atlas, Mafia figure Sammy (“the Bull”) Gravano, and Gravano's son, became the basis for his novel, Bless Me, Father, which drew praise from the writer Richard Price, and the Los Angeles Times (which called it “mesmerizing.”)[7][8][9] He worked as a general assignment reporter at The Miami Herald and The New York Daily News.
In 1990, his piece for the Daily News Sunday Magazine, “The People’s Court” – an examination of basketball culture in New York – was a finalist for the Pulitzer Prize in the Feature Writing category.
He contributed essay pieces for the network's Total Access show and Sunday features for Game Day Morning.
[15] In January, 2016, Showtime launched a digital series, “The Reveal with Mark Kriegel,”[16] featuring deep dive, often emotional interviews with boxers and other sports personalities."
The program, as Kriegel told the New York Post: “Can violent men redeem themselves through violent acts?”[17] In 2022, Kriegel narrated a tribute package for Shad Gaspard's posthumous induction into the WWE Hall of Fame as the class of 2022's Warrior Award recipient[18][19][20] He's been a part of three Emmy-winning teams for the NFL Network and Showtime.