Mike Campbell Cause of Death: What We Know After Mariners Pitcher Dies

Mike Campbell, a former Seattle Mariners pitcher and top MLB draft pick, has died at the age of 61. The Mariners confirmed his death on Friday, stating that Campbell passed away at his home in Kirkland, Washington, earlier in the week.

As of December 20, officials have not released the cause of death. The organization expressed condolences to his family and asked for privacy as they grieve.

Mike Campbell Cause of Death and Official Confirmation

The Seattle Mariners confirmed Mike Campbell’s death in a public statement issued on Friday, December 20, 2025. The team said Campbell died at his Kirkland home on Monday but did not disclose medical or other details surrounding his passing.

No law enforcement agency or medical examiner has announced findings related to the cause of death. Family members have not issued a separate statement addressing the circumstances. As a result, the cause of death remains unknown at this time.

Campbell was widely known in the Seattle baseball community. He was a Seattle native who rose through local high school baseball before reaching the major leagues. His death has prompted an outpouring of tributes from former teammates, fans, and members of the Mariners organization.

According to team officials, Campbell remained connected to the Mariners long after his playing days ended. He frequently attended alumni events and was recognized as part of a formative era in franchise history.

Trusted outlets including the Associated Press and regional Seattle media confirmed that no additional details were provided beyond the team’s announcement. There has been no indication of foul play or public safety concerns.

Until an official update is released, any speculation about Mike Campbell’s cause of death would be unverified. The Mariners emphasized respect for the family during this period.

Career, Legacy, and Broader Impact

Mike Campbell was selected seventh overall by the Seattle Mariners in the 1985 MLB Draft. At the time, he was one of the highest draft picks in franchise history.

He made his major league debut in 1987 and pitched parts of three seasons for Seattle. Campbell later played for the Texas Rangers, San Diego Padres, and Chicago Cubs.

Over his MLB career, he appeared in 51 games. He finished with a 12–19 record, a 5.86 ERA, and 135 strikeouts across 233 innings pitched.

One of the most notable moments of Campbell’s career came in 1989. He was included in the trade that allowed Seattle to acquire Randy Johnson, a move that reshaped the franchise’s future.

After retiring from professional baseball in 1999, Campbell transitioned into business. He co-founded Shiskaberry’s, a dessert franchise, with former teammate Steve Towey.

Campbell is remembered as a hometown player who reached the majors and remained tied to Seattle throughout his life. His death marks the loss of a recognizable figure from the Mariners’ early years.

Mike Campbell’s cause of death has not been made public. His impact as a Seattle-born major leaguer and part of Mariners history remains widely acknowledged.

FYI (keeping you in the loop)-

Q1: What was Mike Campbell’s cause of death?

Mike Campbell’s cause of death has not been disclosed. The Seattle Mariners confirmed his passing but did not provide medical details.

Q2: When did Mike Campbell die?

Mike Campbell died on Monday, December 16, 2025. The Mariners confirmed the news publicly on December 20.

Q3: How old was Mike Campbell when he died?

Mike Campbell was 61 years old at the time of his death. He was born and raised in Seattle, Washington.

Q4: What teams did Mike Campbell play for in MLB?

Campbell played for the Seattle Mariners, Texas Rangers, San Diego Padres, and Chicago Cubs during his MLB career.

Q5: Was Mike Campbell part of any historic MLB trade?

Yes. Campbell was included in the 1989 trade that helped the Mariners acquire future Hall of Famer Randy Johnson.