| Date | Away | Home | Time | Winning Pitcher | Losing Pitcher | Winner |
|---|---|---|---|---|---|---|
March | ||||||
| Wednesday, March 20 | Mariners | @ Athletics | 5:35 am | - | ||
| Thursday, March 21 | Mariners | @ Athletics | 5:35 am | - | ||
| Thursday, March 28 | Red Sox | @ Mariners | 7:08 pm | - | ||
| Friday, March 29 | Red Sox | @ Mariners | 10:10 pm | - | ||
| Saturday, March 30 | Red Sox | @ Mariners | 9:10 pm | - | ||
| Sunday, March 31 | Red Sox | @ Mariners | 4:10 pm | - | ||
April | ||||||
| Monday, April 1 | Angels | @ Mariners | 10:10 pm | - | ||
| Tuesday, April 2 | Angels | @ Mariners | 10:10 pm | - | ||
| Thursday, April 4 | Mariners | @ White Sox | 2:10 pm | - | ||
| Saturday, April 6 | Mariners | @ White Sox | 2:10 pm | - | ||
| Sunday, April 7 | Mariners | @ White Sox | 2:10 pm | - | ||
| Monday, April 8 | Mariners | @ Royals | 8:15 pm | - | ||
| Tuesday, April 9 | Mariners | @ Royals | 8:15 pm | - | ||
| Wednesday, April 10 | Mariners | @ Royals | 8:15 pm | - | ||
| Thursday, April 11 | Mariners | @ Royals | 1:15 pm | - | ||
| Friday, April 12 | Astros | @ Mariners | 10:10 pm | - | ||
| Saturday, April 13 | Astros | @ Mariners | 9:10 pm | - | ||
| Sunday, April 14 | Astros | @ Mariners | 4:10 pm | - | ||
| Monday, April 15 | Indians | @ Mariners | 10:10 pm | - | ||
| Tuesday, April 16 | Indians | @ Mariners | 10:10 pm | - | ||
| Wednesday, April 17 | Indians | @ Mariners | 6:40 pm | - | ||
| Thursday, April 18 | Mariners | @ Angels | 10:07 pm | - | ||
| Friday, April 19 | Mariners | @ Angels | 10:07 pm | - | ||
| Saturday, April 20 | Mariners | @ Angels | 9:07 pm | - | ||
| Sunday, April 21 | Mariners | @ Angels | 4:07 pm | - | ||
| Tuesday, April 23 | Mariners | @ Padres | 10:10 pm | - | ||
| Wednesday, April 24 | Mariners | @ Padres | 3:40 pm | - | ||
| Thursday, April 25 | Rangers | @ Mariners | 10:10 pm | - | ||
| Friday, April 26 | Rangers | @ Mariners | 10:10 pm | - | ||
| Saturday, April 27 | Rangers | @ Mariners | 9:10 pm | - | ||
| Sunday, April 28 | Rangers | @ Mariners | 4:10 pm | - | ||
| Tuesday, April 30 | Cubs | @ Mariners | 10:10 pm | - | ||
May | ||||||
| Wednesday, May 1 | Cubs | @ Mariners | 6:40 pm | - | ||
| Friday, May 3 | Mariners | @ Indians | 7:10 pm | - | ||
| Saturday, May 4 | Mariners | @ Indians | 4:10 pm | - | ||
| Sunday, May 5 | Mariners | @ Indians | 1:10 pm | - | ||
| Monday, May 6 | Mariners | @ Yankees | 6:35 pm | - | ||
| Tuesday, May 7 | Mariners | @ Yankees | 6:35 pm | - | ||
| Wednesday, May 8 | Mariners | @ Yankees | 6:35 pm | - | ||
| Thursday, May 9 | Mariners | @ Yankees | 6:35 pm | - | ||
| Friday, May 10 | Mariners | @ Red Sox | 7:10 pm | - | ||
| Saturday, May 11 | Mariners | @ Red Sox | 1:05 pm | - | ||
| Sunday, May 12 | Mariners | @ Red Sox | 1:05 pm | - | ||
| Monday, May 13 | Athletics | @ Mariners | 10:10 pm | - | ||
| Tuesday, May 14 | Athletics | @ Mariners | 10:10 pm | - | ||
| Thursday, May 16 | Twins | @ Mariners | 10:10 pm | - | ||
| Friday, May 17 | Twins | @ Mariners | 10:10 pm | - | ||
| Saturday, May 18 | Twins | @ Mariners | 10:10 pm | - | ||
| Sunday, May 19 | Twins | @ Mariners | 4:10 pm | - | ||
| Monday, May 20 | Mariners | @ Rangers | 8:05 pm | - | ||
| Tuesday, May 21 | Mariners | @ Rangers | 8:05 pm | - | ||
| Wednesday, May 22 | Mariners | @ Rangers | 2:05 pm | - | ||
| Friday, May 24 | Mariners | @ Athletics | 10:07 pm | - | ||
| Saturday, May 25 | Mariners | @ Athletics | 4:07 pm | - | ||
| Sunday, May 26 | Mariners | @ Athletics | 4:07 pm | - | ||
| Monday, May 27 | Rangers | @ Mariners | 9:10 pm | - | ||
| Tuesday, May 28 | Rangers | @ Mariners | 10:10 pm | - | ||
| Wednesday, May 29 | Rangers | @ Mariners | 3:40 pm | - | ||
| Thursday, May 30 | Angels | @ Mariners | 10:10 pm | - | ||
| Friday, May 31 | Angels | @ Mariners | 10:10 pm | - | ||
June | ||||||
| Saturday, June 1 | Angels | @ Mariners | 7:15 pm | - | ||
| Sunday, June 2 | Angels | @ Mariners | 4:10 pm | - | ||
| Monday, June 3 | Astros | @ Mariners | 10:10 pm | - | ||
| Tuesday, June 4 | Astros | @ Mariners | 10:10 pm | - | ||
| Wednesday, June 5 | Astros | @ Mariners | 10:10 pm | - | ||
| Thursday, June 6 | Astros | @ Mariners | 3:40 pm | - | ||
| Friday, June 7 | Mariners | @ Angels | 10:07 pm | - | ||
| Saturday, June 8 | Mariners | @ Angels | 10:07 pm | - | ||
| Sunday, June 9 | Mariners | @ Angels | 4:07 pm | - | ||
| Tuesday, June 11 | Mariners | @ Twins | 8:10 pm | - | ||
| Wednesday, June 12 | Mariners | @ Twins | 8:10 pm | - | ||
| Thursday, June 13 | Mariners | @ Twins | 1:10 pm | - | ||
| Friday, June 14 | Mariners | @ Athletics | 9:37 pm | - | ||
| Saturday, June 15 | Mariners | @ Athletics | 9:07 pm | - | ||
| Sunday, June 16 | Mariners | @ Athletics | 4:07 pm | - | ||
| Monday, June 17 | Royals | @ Mariners | 10:10 pm | - | ||
| Tuesday, June 18 | Royals | @ Mariners | 10:10 pm | - | ||
| Wednesday, June 19 | Royals | @ Mariners | 6:40 pm | - | ||
| Thursday, June 20 | Orioles | @ Mariners | 10:10 pm | - | ||
| Friday, June 21 | Orioles | @ Mariners | 10:10 pm | - | ||
| Saturday, June 22 | Orioles | @ Mariners | 4:10 pm | - | ||
| Sunday, June 23 | Orioles | @ Mariners | 4:10 pm | - | ||
| Tuesday, June 25 | Mariners | @ Brewers | 8:10 pm | - | ||
| Wednesday, June 26 | Mariners | @ Brewers | 8:10 pm | - | ||
| Thursday, June 27 | Mariners | @ Brewers | 2:10 pm | - | ||
| Friday, June 28 | Mariners | @ Astros | 8:10 pm | - | ||
| Saturday, June 29 | Mariners | @ Astros | 8:15 pm | - | ||
| Sunday, June 30 | Mariners | @ Astros | 2:10 pm | - | ||
July | ||||||
| Tuesday, July 2 | Cardinals | @ Mariners | 10:10 pm | - | ||
| Wednesday, July 3 | Cardinals | @ Mariners | 10:10 pm | - | ||
| Thursday, July 4 | Cardinals | @ Mariners | 4:10 pm | - | ||
| Friday, July 5 | Athletics | @ Mariners | 10:10 pm | - | ||
| Saturday, July 6 | Athletics | @ Mariners | 10:10 pm | - | ||
| Sunday, July 7 | Athletics | @ Mariners | 4:10 pm | - | ||
| Friday, July 12 | Mariners | @ Angels | 10:07 pm | - | ||
| Saturday, July 13 | Mariners | @ Angels | 9:07 pm | - | ||
| Sunday, July 14 | Mariners | @ Angels | 4:07 pm | - | ||
| Tuesday, July 16 | Mariners | @ Athletics | 10:07 pm | - | ||
| Wednesday, July 17 | Mariners | @ Athletics | 3:37 pm | - | ||
| Friday, July 19 | Angels | @ Mariners | 10:10 pm | - | ||
| Saturday, July 20 | Angels | @ Mariners | 9:10 pm | - | ||
| Sunday, July 21 | Angels | @ Mariners | 4:10 pm | - | ||
| Monday, July 22 | Rangers | @ Mariners | 10:10 pm | - | ||
| Tuesday, July 23 | Rangers | @ Mariners | 10:10 pm | - | ||
| Wednesday, July 24 | Rangers | @ Mariners | 3:40 pm | - | ||
| Thursday, July 25 | Tigers | @ Mariners | 10:10 pm | - | ||
| Friday, July 26 | Tigers | @ Mariners | 10:10 pm | - | ||
| Saturday, July 27 | Tigers | @ Mariners | 4:10 pm | - | ||
| Sunday, July 28 | Tigers | @ Mariners | 4:10 pm | - | ||
| Tuesday, July 30 | Mariners | @ Rangers | 8:05 pm | - | ||
| Wednesday, July 31 | Mariners | @ Rangers | 8:05 pm | - | ||
August | ||||||
| Friday, August 2 | Mariners | @ Astros | 8:10 pm | - | ||
| Saturday, August 3 | Mariners | @ Astros | 7:10 pm | - | ||
| Sunday, August 4 | Mariners | @ Astros | 2:10 pm | - | ||
| Tuesday, August 6 | Padres | @ Mariners | 10:10 pm | - | ||
| Wednesday, August 7 | Padres | @ Mariners | 6:40 pm | - | ||
| Friday, August 9 | Rays | @ Mariners | 10:10 pm | - | ||
| Saturday, August 10 | Rays | @ Mariners | 10:10 pm | - | ||
| Sunday, August 11 | Rays | @ Mariners | 4:10 pm | - | ||
| Tuesday, August 13 | Mariners | @ Tigers | 7:10 pm | - | ||
| Wednesday, August 14 | Mariners | @ Tigers | 7:10 pm | - | ||
| Thursday, August 15 | Mariners | @ Tigers | 1:10 pm | - | ||
| Friday, August 16 | Mariners | @ Blue Jays | 7:07 pm | - | ||
| Saturday, August 17 | Mariners | @ Blue Jays | 3:07 pm | - | ||
| Sunday, August 18 | Mariners | @ Blue Jays | 1:07 pm | - | ||
| Monday, August 19 | Mariners | @ Rays | 7:10 pm | - | ||
| Tuesday, August 20 | Mariners | @ Rays | 7:10 pm | - | ||
| Wednesday, August 21 | Mariners | @ Rays | 1:10 pm | - | ||
| Friday, August 23 | Blue Jays | @ Mariners | 10:10 pm | - | ||
| Saturday, August 24 | Blue Jays | @ Mariners | 9:10 pm | - | ||
| Sunday, August 25 | Blue Jays | @ Mariners | 4:10 pm | - | ||
| Monday, August 26 | Yankees | @ Mariners | 10:10 pm | - | ||
| Tuesday, August 27 | Yankees | @ Mariners | 10:10 pm | - | ||
| Wednesday, August 28 | Yankees | @ Mariners | 4:10 pm | - | ||
| Thursday, August 29 | Mariners | @ Rangers | 8:05 pm | - | ||
| Friday, August 30 | Mariners | @ Rangers | 8:05 pm | - | ||
| Saturday, August 31 | Mariners | @ Rangers | 8:05 pm | - | ||
September | ||||||
| Sunday, September 1 | Mariners | @ Rangers | 3:05 pm | - | ||
| Monday, September 2 | Mariners | @ Cubs | 2:20 pm | - | ||
| Tuesday, September 3 | Mariners | @ Cubs | 8:05 pm | - | ||
| Thursday, September 5 | Mariners | @ Astros | 8:10 pm | - | ||
| Friday, September 6 | Mariners | @ Astros | 8:10 pm | - | ||
| Saturday, September 7 | Mariners | @ Astros | 7:10 pm | - | ||
| Sunday, September 8 | Mariners | @ Astros | 2:10 pm | - | ||
| Tuesday, September 10 | Reds | @ Mariners | 10:10 pm | - | ||
| Wednesday, September 11 | Reds | @ Mariners | 10:10 pm | - | ||
| Thursday, September 12 | Reds | @ Mariners | 10:10 pm | - | ||
| Friday, September 13 | White Sox | @ Mariners | 10:10 pm | - | ||
| Saturday, September 14 | White Sox | @ Mariners | 9:10 pm | - | ||
| Sunday, September 15 | White Sox | @ Mariners | 4:10 pm | - | ||
| Tuesday, September 17 | Mariners | @ Pirates | 7:05 pm | - | ||
| Wednesday, September 18 | Mariners | @ Pirates | 7:05 pm | - | ||
| Thursday, September 19 | Mariners | @ Pirates | 12:35 pm | - | ||
| Friday, September 20 | Mariners | @ Orioles | 7:05 pm | - | ||
| Saturday, September 21 | Mariners | @ Orioles | 7:05 pm | - | ||
| Sunday, September 22 | Mariners | @ Orioles | 1:05 pm | - | ||
| Tuesday, September 24 | Astros | @ Mariners | 10:10 pm | - | ||
| Wednesday, September 25 | Astros | @ Mariners | 10:10 pm | - | ||
| Thursday, September 26 | Athletics | @ Mariners | 10:10 pm | - | ||
| Friday, September 27 | Athletics | @ Mariners | 10:10 pm | - | ||
| Saturday, September 28 | Athletics | @ Mariners | 9:10 pm | - | ||
| Sunday, September 29 | Athletics | @ Mariners | 3:10 pm | - | ||