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Most pitchers used by a team in a Major League Baseball (MLB) season

Most pitchers used by a team in a Major League Baseball (MLB) season
Who
Seattle Mariners
What
42 total number
Where
Not Applicable
When
2019

The Seattle Mariners set a Major League Baseball (MLB) record by using 42 pitchers in 2019. That broke the previous mark of 40 pitchers used by the Mariners in 2017 and the Texas Rangers in 2014. The Mariners used a total of 67 players in 2019, also a record.