The Seattle Mariners finished 4th in the AL West in 2005 with a record of 69-93, 26 games out of first place.
AL East
| TEAM | W | L | PCT | GB | HOME | ROAD | L10 | STRK | |
|---|---|---|---|---|---|---|---|---|---|
 | y-Yankees | 95 | 67 | .586 | 0.0 | 53-28 | 42-39 | 6-4 | L1 |
 | w-Red Sox | 95 | 67 | .586 | 0.0 | 54-27 | 41-40 | 7-3 | W1 |
 | Blue Jays | 80 | 82 | .494 | 15.0 | 43-38 | 37-44 | 5-5 | W1 |
 | Orioles | 74 | 88 | .457 | 21.0 | 36-45 | 38-43 | 4-6 | W3 |
 | Devil Rays | 67 | 95 | .414 | 28.0 | 40-41 | 27-54 | 4-6 | L4 |
AL Central
| TEAM | W | L | PCT | GB | HOME | ROAD | L10 | STRK | |
|---|---|---|---|---|---|---|---|---|---|
 | y-White Sox | 99 | 63 | .611 | 0.0 | 47-34 | 52-29 | 8-2 | W5 |
 | Indians | 93 | 69 | .574 | 6.0 | 43-38 | 50-31 | 4-6 | L3 |
 | Twins | 83 | 79 | .512 | 16.0 | 45-36 | 38-43 | 5-5 | W3 |
 | Tigers | 71 | 91 | .438 | 28.0 | 39-42 | 32-49 | 4-6 | L5 |
 | Royals | 56 | 106 | .346 | 43.0 | 34-47 | 22-59 | 4-6 | L1 |
NL Central
NL West
| TEAM | W | L | PCT | GB | HOME | ROAD | L10 | STRK | |
|---|---|---|---|---|---|---|---|---|---|
 | y-Padres | 82 | 80 | .506 | 0.0 | 46-35 | 36-45 | 6-4 | W1 |
 | Diamondbacks | 77 | 85 | .475 | 5.0 | 36-45 | 41-40 | 8-2 | L1 |
 | Giants | 75 | 87 | .463 | 7.0 | 37-44 | 38-43 | 4-6 | W1 |
 | Dodgers | 71 | 91 | .438 | 11.0 | 40-41 | 31-50 | 4-6 | L1 |
 | Rockies | 67 | 95 | .414 | 15.0 | 40-41 | 27-54 | 4-6 | W1 |
y - clinched division
w - clinched wild card
x - clinched playoff berth
Astros 
Mariners 
Rangers 
Angels 
Athletics 
MIN 
BAL 
Yankees 
Rays 
Tigers 
Phillies 
Mets 
Cubs 
Cardinals 
Dodgers 
Padres 
CWS 
CLE 
CIN 
PIT 
WSH 
TOR 
MIL 
