| Date | Away | Home | Time | Winning Pitcher | Losing Pitcher | Winner |
|---|---|---|---|---|---|---|
April | ||||||
| Thursday, April 1 | Giants | @ Mariners | 12:00 am | - | ||
| Friday, April 2 | Giants | @ Mariners | 12:00 am | - | ||
| Saturday, April 3 | Giants | @ Mariners | 12:00 am | - | ||
| Monday, April 5 | White Sox | @ Mariners | 12:00 am | - | ||
| Tuesday, April 6 | White Sox | @ Mariners | 12:00 am | - | ||
| Wednesday, April 7 | White Sox | @ Mariners | 12:00 am | - | ||
| Thursday, April 8 | Mariners | @ Twins | 12:00 am | - | ||
| Saturday, April 10 | Mariners | @ Twins | 12:00 am | - | ||
| Sunday, April 11 | Mariners | @ Twins | 12:00 am | - | ||
| Monday, April 12 | Mariners | @ Orioles | 12:00 am | - | ||
| Tuesday, April 13 | Mariners | @ Orioles | 12:00 am | - | ||
| Wednesday, April 14 | Mariners | @ Orioles | 12:00 am | - | ||
| Thursday, April 15 | Mariners | @ Orioles | 12:00 am | - | ||
| Friday, April 16 | Astros | @ Mariners | 12:00 am | - | ||
| Saturday, April 17 | Astros | @ Mariners | 12:00 am | - | ||
| Sunday, April 18 | Astros | @ Mariners | 12:00 am | - | ||
| Monday, April 19 | Dodgers | @ Mariners | 12:00 am | - | ||
| Tuesday, April 20 | Dodgers | @ Mariners | 12:00 am | - | ||
| Thursday, April 22 | Mariners | @ Red Sox | 12:00 am | - | ||
| Friday, April 23 | Mariners | @ Red Sox | 12:00 am | - | ||
| Saturday, April 24 | Mariners | @ Red Sox | 12:00 am | - | ||
| Sunday, April 25 | Mariners | @ Red Sox | 12:00 am | - | ||
| Monday, April 26 | Mariners | @ Astros | 12:00 am | - | ||
| Tuesday, April 27 | Mariners | @ Astros | 12:00 am | - | ||
| Wednesday, April 28 | Mariners | @ Astros | 12:00 am | - | ||
| Thursday, April 29 | Mariners | @ Astros | 12:00 am | - | ||
| Friday, April 30 | Angels | @ Mariners | 12:00 am | - | ||
May | ||||||
| Saturday, May 1 | Angels | @ Mariners | 12:00 am | - | ||
| Sunday, May 2 | Angels | @ Mariners | 12:00 am | - | ||
| Monday, May 3 | Orioles | @ Mariners | 12:00 am | - | ||
| Tuesday, May 4 | Orioles | @ Mariners | 12:00 am | - | ||
| Wednesday, May 5 | Orioles | @ Mariners | 12:00 am | - | ||
| Friday, May 7 | Mariners | @ Rangers | 12:00 am | - | ||
| Saturday, May 8 | Mariners | @ Rangers | 12:00 am | - | ||
| Sunday, May 9 | Mariners | @ Rangers | 12:00 am | - | ||
| Tuesday, May 11 | Mariners | @ Dodgers | 12:00 am | - | ||
| Wednesday, May 12 | Mariners | @ Dodgers | 12:00 am | - | ||
| Thursday, May 13 | Indians | @ Mariners | 12:00 am | - | ||
| Friday, May 14 | Indians | @ Mariners | 12:00 am | - | ||
| Saturday, May 15 | Indians | @ Mariners | 12:00 am | - | ||
| Sunday, May 16 | Indians | @ Mariners | 12:00 am | - | ||
| Monday, May 17 | Tigers | @ Mariners | 12:00 am | - | ||
| Tuesday, May 18 | Tigers | @ Mariners | 12:00 am | - | ||
| Wednesday, May 19 | Tigers | @ Mariners | 12:00 am | - | ||
| Friday, May 21 | Mariners | @ Padres | 12:00 am | - | ||
| Saturday, May 22 | Mariners | @ Padres | 12:00 am | - | ||
| Sunday, May 23 | Mariners | @ Padres | 12:00 am | - | ||
| Monday, May 24 | Mariners | @ Athletics | 12:00 am | - | ||
| Tuesday, May 25 | Mariners | @ Athletics | 12:00 am | - | ||
| Wednesday, May 26 | Mariners | @ Athletics | 12:00 am | - | ||
| Thursday, May 27 | Rangers | @ Mariners | 12:00 am | - | ||
| Friday, May 28 | Rangers | @ Mariners | 12:00 am | - | ||
| Saturday, May 29 | Rangers | @ Mariners | 12:00 am | - | ||
| Sunday, May 30 | Rangers | @ Mariners | 12:00 am | - | ||
| Monday, May 31 | Athletics | @ Mariners | 12:00 am | - | ||
June | ||||||
| Tuesday, June 1 | Athletics | @ Mariners | 12:00 am | - | ||
| Wednesday, June 2 | Athletics | @ Mariners | 12:00 am | - | ||
| Thursday, June 3 | Mariners | @ Angels | 12:00 am | - | ||
| Friday, June 4 | Mariners | @ Angels | 12:00 am | - | ||
| Saturday, June 5 | Mariners | @ Angels | 12:00 am | - | ||
| Sunday, June 6 | Mariners | @ Angels | 12:00 am | - | ||
| Tuesday, June 8 | Mariners | @ Tigers | 12:00 am | - | ||
| Wednesday, June 9 | Mariners | @ Tigers | 12:00 am | - | ||
| Thursday, June 10 | Mariners | @ Tigers | 12:00 am | - | ||
| Friday, June 11 | Mariners | @ Indians | 12:00 am | - | ||
| Saturday, June 12 | Mariners | @ Indians | 12:00 am | - | ||
| Sunday, June 13 | Mariners | @ Indians | 12:00 am | - | ||
| Monday, June 14 | Twins | @ Mariners | 12:00 am | - | ||
| Tuesday, June 15 | Twins | @ Mariners | 12:00 am | - | ||
| Wednesday, June 16 | Twins | @ Mariners | 12:00 am | - | ||
| Thursday, June 17 | Rays | @ Mariners | 12:00 am | - | ||
| Friday, June 18 | Rays | @ Mariners | 12:00 am | - | ||
| Saturday, June 19 | Rays | @ Mariners | 12:00 am | - | ||
| Sunday, June 20 | Rays | @ Mariners | 12:00 am | - | ||
| Tuesday, June 22 | Rockies | @ Mariners | 12:00 am | - | ||
| Wednesday, June 23 | Rockies | @ Mariners | 12:00 am | - | ||
| Friday, June 25 | Mariners | @ White Sox | 12:00 am | - | ||
| Saturday, June 26 | Mariners | @ White Sox | 12:00 am | - | ||
| Sunday, June 27 | Mariners | @ White Sox | 12:00 am | - | ||
| Tuesday, June 29 | Mariners | @ Blue Jays | 12:00 am | - | ||
| Wednesday, June 30 | Mariners | @ Blue Jays | 12:00 am | - | ||
July | ||||||
| Thursday, July 1 | Mariners | @ Blue Jays | 12:00 am | - | ||
| Friday, July 2 | Rangers | @ Mariners | 12:00 am | - | ||
| Saturday, July 3 | Rangers | @ Mariners | 12:00 am | - | ||
| Sunday, July 4 | Rangers | @ Mariners | 12:00 am | - | ||
| Tuesday, July 6 | Yankees | @ Mariners | 12:00 am | - | ||
| Wednesday, July 7 | Yankees | @ Mariners | 12:00 am | - | ||
| Thursday, July 8 | Yankees | @ Mariners | 12:00 am | - | ||
| Friday, July 9 | Angels | @ Mariners | 12:00 am | - | ||
| Saturday, July 10 | Angels | @ Mariners | 12:00 am | - | ||
| Sunday, July 11 | Angels | @ Mariners | 12:00 am | - | ||
| Friday, July 16 | Mariners | @ Angels | 12:00 am | - | ||
| Saturday, July 17 | Mariners | @ Angels | 12:00 am | - | ||
| Sunday, July 18 | Mariners | @ Angels | 12:00 am | - | ||
| Tuesday, July 20 | Mariners | @ Rockies | 12:00 am | - | ||
| Wednesday, July 21 | Mariners | @ Rockies | 12:00 am | - | ||
| Thursday, July 22 | Athletics | @ Mariners | 12:00 am | - | ||
| Friday, July 23 | Athletics | @ Mariners | 12:00 am | - | ||
| Saturday, July 24 | Athletics | @ Mariners | 12:00 am | - | ||
| Sunday, July 25 | Athletics | @ Mariners | 12:00 am | - | ||
| Monday, July 26 | Astros | @ Mariners | 12:00 am | - | ||
| Tuesday, July 27 | Astros | @ Mariners | 12:00 am | - | ||
| Wednesday, July 28 | Astros | @ Mariners | 12:00 am | - | ||
| Friday, July 30 | Mariners | @ Rangers | 12:00 am | - | ||
| Saturday, July 31 | Mariners | @ Rangers | 12:00 am | - | ||
August | ||||||
| Sunday, August 1 | Mariners | @ Rangers | 12:00 am | - | ||
| Monday, August 2 | Mariners | @ Rays | 12:00 am | - | ||
| Tuesday, August 3 | Mariners | @ Rays | 12:00 am | - | ||
| Wednesday, August 4 | Mariners | @ Rays | 12:00 am | - | ||
| Thursday, August 5 | Mariners | @ Yankees | 12:00 am | - | ||
| Friday, August 6 | Mariners | @ Yankees | 12:00 am | - | ||
| Saturday, August 7 | Mariners | @ Yankees | 12:00 am | - | ||
| Sunday, August 8 | Mariners | @ Yankees | 12:00 am | - | ||
| Tuesday, August 10 | Rangers | @ Mariners | 12:00 am | - | ||
| Wednesday, August 11 | Rangers | @ Mariners | 12:00 am | - | ||
| Thursday, August 12 | Rangers | @ Mariners | 12:00 am | - | ||
| Friday, August 13 | Blue Jays | @ Mariners | 12:00 am | - | ||
| Saturday, August 14 | Blue Jays | @ Mariners | 12:00 am | - | ||
| Sunday, August 15 | Blue Jays | @ Mariners | 12:00 am | - | ||
| Tuesday, August 17 | Mariners | @ Rangers | 12:00 am | - | ||
| Wednesday, August 18 | Mariners | @ Rangers | 12:00 am | - | ||
| Thursday, August 19 | Mariners | @ Rangers | 12:00 am | - | ||
| Friday, August 20 | Mariners | @ Astros | 12:00 am | - | ||
| Saturday, August 21 | Mariners | @ Astros | 12:00 am | - | ||
| Sunday, August 22 | Mariners | @ Astros | 12:00 am | - | ||
| Monday, August 23 | Mariners | @ Athletics | 12:00 am | - | ||
| Tuesday, August 24 | Mariners | @ Athletics | 12:00 am | - | ||
| Thursday, August 26 | Royals | @ Mariners | 12:00 am | - | ||
| Friday, August 27 | Royals | @ Mariners | 12:00 am | - | ||
| Saturday, August 28 | Royals | @ Mariners | 12:00 am | - | ||
| Sunday, August 29 | Royals | @ Mariners | 12:00 am | - | ||
| Monday, August 30 | Astros | @ Mariners | 12:00 am | - | ||
| Tuesday, August 31 | Astros | @ Mariners | 12:00 am | - | ||
September | ||||||
| Wednesday, September 1 | Astros | @ Mariners | 12:00 am | - | ||
| Friday, September 3 | Mariners | @ Diamondbacks | 12:00 am | - | ||
| Saturday, September 4 | Mariners | @ Diamondbacks | 12:00 am | - | ||
| Sunday, September 5 | Mariners | @ Diamondbacks | 12:00 am | - | ||
| Monday, September 6 | Mariners | @ Astros | 12:00 am | - | ||
| Tuesday, September 7 | Mariners | @ Astros | 12:00 am | - | ||
| Wednesday, September 8 | Mariners | @ Astros | 12:00 am | - | ||
| Friday, September 10 | Diamondbacks | @ Mariners | 12:00 am | - | ||
| Saturday, September 11 | Diamondbacks | @ Mariners | 12:00 am | - | ||
| Sunday, September 12 | Diamondbacks | @ Mariners | 12:00 am | - | ||
| Monday, September 13 | Red Sox | @ Mariners | 12:00 am | - | ||
| Tuesday, September 14 | Red Sox | @ Mariners | 12:00 am | - | ||
| Wednesday, September 15 | Red Sox | @ Mariners | 12:00 am | - | ||
| Friday, September 17 | Mariners | @ Royals | 12:00 am | - | ||
| Saturday, September 18 | Mariners | @ Royals | 12:00 am | - | ||
| Sunday, September 19 | Mariners | @ Royals | 12:00 am | - | ||
| Monday, September 20 | Mariners | @ Athletics | 12:00 am | - | ||
| Tuesday, September 21 | Mariners | @ Athletics | 12:00 am | - | ||
| Wednesday, September 22 | Mariners | @ Athletics | 12:00 am | - | ||
| Thursday, September 23 | Mariners | @ Athletics | 12:00 am | - | ||
| Friday, September 24 | Mariners | @ Angels | 12:00 am | - | ||
| Saturday, September 25 | Mariners | @ Angels | 12:00 am | - | ||
| Sunday, September 26 | Mariners | @ Angels | 12:00 am | - | ||
| Monday, September 27 | Athletics | @ Mariners | 12:00 am | - | ||
| Tuesday, September 28 | Athletics | @ Mariners | 12:00 am | - | ||
| Wednesday, September 29 | Athletics | @ Mariners | 12:00 am | - | ||
October | ||||||
| Friday, October 1 | Angels | @ Mariners | 12:00 am | - | ||
| Saturday, October 2 | Angels | @ Mariners | 12:00 am | - | ||
| Sunday, October 3 | Angels | @ Mariners | 12:00 am | - | ||