2021 Seattle Sounders (17-8-9)

16 Apr W Minnesota 4- 0  
(1-0-0)
24 Apr T at Los Angeles FC 1- 1  
(1-0-1)
2 May W LA Galaxy 3- 0  
(2-0-1)
9 May W at Portland 2- 1  
(3-0-1)
12 May W at San Jose 1- 0  
(4-0-1)
16 May W Los Angeles FC 2- 0  
(5-0-1)
23 May T Atlanta 1- 1  
(5-0-2)
30 May T Austin 0- 0  
(5-0-3)
19 Jun W at LA Galaxy 2- 1  
(6-0-3)
23 Jun W Real Salt Lake 2- 1  
(7-0-3)
26 Jun T Vancouver 2- 2  
(7-0-4)
4 Jul T at Colorado 1- 1  
(7-0-5)
7 Jul W Houston 2- 0  
(8-0-5)
18 Jul L at Minnesota 0- 1  
(8-1-5)
22 Jul W at Austin 1- 0  
(9-1-5)
25 Jul L Sporting KC 1- 3  
(9-2-5)
31 Jul L San Jose 0- 1  
(9-3-5)
4 Aug T FC Dallas 1- 1  
(9-3-6)
15 Aug W at Portland 6- 2  
(10-3-6)
18 Aug W at FC Dallas 1- 0  
(11-3-6)
21 Aug W at Columbus 2- 1  
(12-3-6)
29 Aug L Portland 0- 2  
(12-4-6)
11 Sep W Minnesota 1- 0  
(13-4-6)
18 Sep L at Real Salt Lake 0- 1  
(13-5-6)
26 Sep W at Sporting KC 2- 1  
(14-5-6)
29 Sep W at San Jose 3- 1  
(15-5-6)
3 Oct W Colorado 3- 0  
(16-5-6)
9 Oct W Vancouver 4- 1  
(17-5-6)
16 Oct L at Houston 1- 2  
(17-6-6)
20 Oct T at Colorado 1- 1  
(17-6-7)
23 Oct L Sporting KC 1- 2  
(17-7-7)
26 Oct L at Los Angeles FC 0- 3  
(17-8-7)
1 Nov T LA Galaxy 1- 1  
(17-8-8)
7 Nov T at Vancouver 1- 1  
(17-8-9)

23 Nov L Real Salt Lake 0- 1 (PK)