MINNEAPOLIS -- Minnesota sports columnist and radio personality Sid Hartman, an old-school home team booster who once ran the NBA's Minneapolis Lakers and achieved nearly as much celebrity as some of the athletes he covered, died Sunday. He was 100.

Hartman, whose first newspaper column was published in 1945, died surrounded by his family, Star Tribune sports editor Chris Carr said.

"It's a sad day,'' Carr told The Associated Press. "He is the Star Tribune in many ways, at least in the sports department. It speaks to his amazing life that even at 100 and a half years old, he passes away and we still can't believe it.''

He kept up his age-defying pace even after his 100th birthday party on March 15 was canceled because of the coronavirus pandemic. Hartman continued to write three columns per week for the Star Tribune as a centenarian, four during football season, and served as co-host of a Sunday morning radio show on WCCO-AM in Minneapolis.

"I have followed the advice that if you love what you do, you never work a day in your life,'' Hartman wrote in his column published on his 100th birthday. "Even at 100, I can say I still love what I do.''

"Our hearts are broken with the news of Sid Hartman's passing. It is nearly impossible to put into words what Sid meant to the sports world and to Minnesota," the Minnesota Vikings said in a statement. "He was an iconic sports figure, a tenacious reporter and a tireless advocate for his beloved state. His doggedness and work ethic were unmatched, but it was Sid's ability to nurture relationships that truly set him apart. He was a confidant and a loyal friend to countless athletes and coaches across the country."

Vikings receiver Adam Thielen called Hartman a "Minnesota icon."

"Just heard a story from him the other day, and he was obviously a big part of this organization and was always around the facility, so we are grieving during this time," Thielen said.

Hartman grew up poor on Minneapolis' tough north side, the son of a Russian immigrant father and Latvian mother who at age 9 began selling newspapers on downtown street corners. He dropped out of high school in the 10th grade for a news run, picking up papers and leaving them in drop boxes.

In 1944, the circulation manager recommended Hartman for an internship on the sports desk at the old Minneapolis Times. A year later, he was in print with a roundup of news and notes, a style he continued throughout his career. Hartman always called himself a reporter, not a writer. After the Times folded in 1948, Hartman went to work at the Minneapolis Tribune covering his beloved University of Minnesota.

Former Vikings coach Bud Grant recalled attending the university after World War II and running into Hartman on Hartman's first day as a beat writer. Grant and his wife became friends with Hartman, and when Grant announced his first retirement as Vikings coach in 1984, he shared the scoop only with Hartman.

"They'd say 'off the record,' and to Sid that was off the record. He never broke a confidence, with anybody I ever knew,'' Grant once said.

Hartman was an unapologetic throwback to the days when the wall between sportswriters and the teams and players they covered was not as defined. Colleagues referred to "Sid's Rules,'' which applied to Hartman and no one else. "It was kind of the Wild West, and Sid was the top gunfighter,'' said Dave Mona, Hartman's "Sports Huddle'' co-host since the WCCO-AM radio program debuted in 1981.

Often because of the favorable coverage he gave to local sports teams, Hartman was granted unparalleled behind-the-scenes access to players, coaches and executives. He was given free rein to roam where he wanted, when he wanted.

Hartman was instrumental in helping lure pro teams to Minnesota. In his autobiography "Sid!'' (co-written with fellow Star Tribune sports columnist Patrick Reusse), Hartman wrote that in 1947 he offered $15,000 to the owner of the Detroit Gems of the National Basketball League for the franchise, then went to Detroit to deliver the check. The team became the Minneapolis Lakers, and Hartman was the de facto general manager. Led by big man George Mikan, the Lakers won the NBL championship in their first season and five NBA championships. Hartman left the Lakers operation in 1957, and the team moved to Los Angeles in 1960.

He did all that while continuing his newspaper work, a blatant conflict of interest by today's standards but an accepted practice in those days.

Yet he always tried to outwork other reporters for scoops. He was a familiar sight at most games and news conferences, lugging a large, clunky, outdated tape recorder and a thick, black book stuffed with pages of phone numbers. From George Steinbrenner to Bob Knight to Pete Carroll, Hartman's rolodex has long been a who's-who of the sports world.

Hartman's distinctive gruff, slurred speech and malaprops made him a favorite of listeners, media colleagues and the players and coaches he covered to imitate. On the radio, Hartman would sometime hang up on or chastise callers -- "geniuses,'' as Hartman called them -- who voiced opinions he disagreed with. Despite his reputation as a curmudgeon, Hartman was routinely approached by fans for autographs and always obliged them.

In 2010, to mark his 90th birthday, a statute showing Hartman holding a radio microphone, carrying an oversized tape recorder and with a Star Tribune tucked under his arm was unveiled on a corner outside Target Center, the home of the NBA's Minnesota Timberwolves.

"RIP to the legend @SidHartman," Timberwolves center Karl-Anthony Towns tweeted.

RIP to the legend @SidHartman.

— Karl-Anthony Towns (@KarlTowns) October 18, 2020

"Part of my job was to bring him into the '80s. Sometimes he came fairly easily and sometimes he didn't,'' said former Star Tribune editor Tim McGuire. "He always was too much of a booster, and he loved his Gophers. But he was always a newsman.''

Hartman also was a frequent critic of women's athletics, which he thought cut into expenditures for men's sports at University of Minnesota. "It's archaic,'' former Star Tribune sports editor Glen Crevier said of Hartman's attitude in 2009, "but at least he doesn't write negatively about them anymore. He just avoids them.''

Hartman's son, Chad, followed his father into sports reporting as play-by-play announcer for the Timberwolves and a local talk show host.

When his 100th birthday column was published, the Star Tribune put his career byline count at 21,149.

The Associated Press contributed to this report.