During his lengthy career, Grimson improved as a fighter. In his younger days, he lacked balance, and was vulnerable to shorter, more powerfully built fighters. It was during his ‘91-92 season with the Blackhawks, that he began to show signs of improving his balance, and though his style still left him vulnerable, he scored wins over some of the league's tougher fighters. His best year in the NHL was the 1992–93 season with the Chicago Blackhawks, where he beat some of the leagues more formidable fighters like Tie Domi, Marty McSorley, Darrin Kimble, Bob Probert, Gino Odjick, Rob Ray, Kelly Chase, among others. In the 1996–97 season, he scored decisive wins over established fighters like Randy McKay, Darren Langdon and Enrico Ciccone, and he battered Ryan Vandenbussche and Shane Churla of the New York Rangers in one-sided victories. The following season saw Grimson move with the Whalers to Carolina, and as a Hurricane he continued to be a force in the league. He started a rivalry with Krzysztof Oliwa of the New Jersey Devils that season, which saw the two men fight several times over the next few seasons, usually to a draw. Grimson spent the next two seasons back in Anaheim, and played his final full season with the Los Angeles Kings in 2000–01. He remained a respected and elite heavyweight fighter, but in his final season, in Nashville, he suffered from post-concussion syndrome and was forced to retire after a fight with Georges Laraque of the Edmonton Oilers. He had already been suffering effects before that bout, and even admitted he once blacked out in the middle of a fight. Grimson enjoyed a career-long rivalry with enforcer Bob Probert, considered by many observers to be one of the top fighters in NHL history. Though the consensus is that Probert got the better of the rivalry, Grimson usually held his own and scored a couple of wins of his own against Probert. In his final seasons, Grimson built rivalries with a new generation of fighters, such as Georges Laraque, Krzysztof Oliwa and Scott Parker.
Career statistics
Regular season and playoffs
Personal
Despite his fearsome reputation on the ice, Grimson won respect as an intelligent and articulate man off it. He became a born-again Christian in the early 1990s and led the NHL's Christian Fellowship. After retiring, Grimson finished his undergraduate degree and began work on a law degree. He completed his law degree in December 2005 at the University of Memphis Law School. He was In-House Counsel for the National Hockey League Players' Association and then worked for the Nashville law firm of Kay, Griffin, Enkema & Brothers, PLLC. He worked as a Color Analyst for the Nashville Predators on Fox Sports South and the team's flagship network, 102.5 The Game, through the 2016-17 season. Grimson appeared in a 2001 commercial spot for The Foundation for a Better Life. It begins with on-ice game action leading up to an intermission. While in the locker room with the team, Grimson receives a phone call. It is revealed that the caller is Grimson's young daughter, who asks him to sing "Itsy Bitsy Spider". He reluctantly complies, much to the amusement of his teammates. Grimson replies "Hey, it's my girl! You know, my daughter?" The commercial showed a softer side of Grimson as a good family man. During an October 6, 2011 edition of Hockey Night In Canada, Don Cherry accused Grimson, along with Chris Nilan and Jim Thomson, of being 'pukes' & 'hypocrites' for supposedly making a living as an enforcers and now complaining about it. Grimson, by then a licensed attorney, indicated that he considered legal action against Don Cherry on behalf of himself, Chris Nilan and Jim Thomson citing Cherry's claims as "baseless and slanderous." After an apology on Hockey Night in Canada by Cherry, Grimson reconsidered his lawsuit against Cherry stating that "This is a decision for Canadians. The CBC is your network; you pay for it. And you hold the network to certain standards and values." Grimson has four children; Erin, Hannah, Kristjan and Jayne In 2018, Stu married Jennifer Ives Grimson ; an entrepreneur and investor. They live in Nashville, Tennessee.
