The Seattle Mariners were established in 1977 as an American League expansion team 1).
“Mariners” was selected in a name-the-team contest, tying to Seattle’s maritime heritage 2).
The Mariner Moose debuted in 1990, selected from over 2,500 children's submissions 3).
The Mariners had 14 consecutive losing seasons from 1977 to 1990, an MLB record 4).
Mariners' first winning season was in 1991, breaking the record for longest maiden winning stretch 5).
Seattle set an MLB record with 116 wins in the 2001 regular season, tying the 1906 Cubs 6).
Ichiro holds the MLB record for most hits in a single season with 262 in 2004 7).
Ichiro Suzuki also holds MLB record with 10 consecutive 200-hit seasons 8).
The Mariners rallied from a 2-0 ALDS deficit to beat the Yankees and reach the ALCS for the first time 9).
Seattle experienced a 21-year postseason drought after 2001, ending in 2022 10).
The Mariners moved to T-Mobile Park in 1999, replacing the Kingdome 11).
T-Mobile Park's umbrella-style retractable roof provides rain protection but no climate control 12).
The stadium seats approximately 47,000 fans with five levels of seating 13).
T-Mobile Park offers 70 luxury suites and exclusive Diamond and Wells Fargo clubs 14).
The team’s colors are navy blue, Northwest green (a teal shade), and silver 15).
Ken Griffey Jr. starred with Seattle in the 1990s and early 2000s, hitting 417 career homers there 16).
Randy Johnson won the AL Cy Young Award in 1995, leading the Mariners with 18 wins 17).
Felix “King” Hernandez threw a perfect game in 2012, a highlight of his Mariners career 18).
Edgar Martinez, a designated hitter and batting champion, is a Mariners Hall of Famer 19).
The Mariners’ longest game took 17 innings against the Minnesota Twins in 2008 20).
John Stanton became principal owner in 2016, investing heavily in the franchise 21).
The Mariner Moose was inducted into the Mascot Hall of Fame for his popularity 22).
The Mariners reacquired Randy Johnson briefly in 2009 to bolster pitching depth 23).
Darrell Johnson was the franchise’s first manager in 1977 24).
Felix Hernandez leads the Mariners in career strikeouts with over 2,400 25).
Ichiro Suzuki entered the Hall of Fame in 2022 after a storied career 26).
Ichiro amassed 2,542 hits with the Mariners, the franchise’s all-time leader 27).
Seattle earned their first Wild Card berth in 1995 during their playoff run 28).
Ichiro’s .372 average in 2004 is the highest single-season mark in Mariners history 29).
Ken Griffey Jr. posted 147 RBIs in 1997, a franchise single-season high 30).
Edgar Martinez owned a 32-game hitting streak, tied for the longest in club history 31).
Seattle won their first postseason series in the 1995 ALDS against the Yankees 32).
The team has recorded multiple no-hitters by Randy Johnson and Félix Hernández 33).
A popular pregame spot at T-Mobile Park is the Hit It Here Cafe, loved by fans 34).
Before 1993, the Mariners wore royal blue and gold before switching to navy, teal, and silver 35).
The Kingdome was the Mariners’ home from 1977 to 1999, hosting memorable games 36).
Ken Griffey Jr. leads with 417 homers, followed by Edgar Martinez and Jay Buhner 37).
Seattle is one of the smallest MLB markets, competing successfully with big cities 38).
The Mariners have an active program supporting youth baseball in the region 39).
The club retired Felix Hernandez’s jersey #34 in recognition of his contributions 40).
Ichiro almost pitched a no-hitter in college but instead became an MLB hitting legend 41).
Ichiro had ten consecutive seasons of 200+ hits, a Major League best 42).
The Mariners’ last playoff appearance was in 2022, ending a 21-year drought 43).
Jerry Dipoto has been the President of Baseball Operations since 2015 44).
Trivia quizzes celebrate Mariners history, players, and memorable moments 45).