Updated Pac-12 Football Wins and Losses by Decade

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The formation of the Pac-12 Conference dates back to December 2, 1915, when the Pacific Coast Conference (PCC) was founded at a meeting at the Imperial Hotel in Portland, Oregon.

Charter members were the University of California, University of Washington, University of Oregon, and Oregon Agricultural College (now Oregon State University).

One year later, Washington State College (now Washington State University) joined the league, followed by Stanford University in 1918.

In 1922, the PCC expanded to eight teams with the admission of USC and Idaho.

Oregon and Oregon State joined in the summer of 1964, and the conference was known unofficially as the Pacific Athletic Conference, and later the Pacific-8. In 1968, the AAWU formally renamed itself the Pacific-8 Conference, or Pac-8 for short.

In 1978, the conference added Arizona and Arizona State from the Western Athletic Conference, becoming the Pacific-10 Conference or Pac-10.

Before the addition of Colorado and Utah in 2011, only the Ivy League had maintained its membership for a longer time than the Pac-10 among Division I conferences.

Here are the football records for each program by decade since 1970. It’s meant to provide a comparative historical look at all current 12 schools, beyond the expansion dates of the Pac-8, rather than aggregate win-loss standings.

Records in 1970s, 1980s, 1990s, 2000s, 2010s, and 2020s

2020-2022

Program	Won	Lost	Played	Percent
Oregon	24	10	34	.706
Utah	23	10	33	.697
USC	20	11	31	.645
UCLA	20	12	32	.625
Washington	18	11	29	.621
OSU	19	14	33	.576
WSU	15	15	30	.500
ASU	13	16	29	.448
Cal	10	18	28	.357
Stanford	10	18	28	.357
Colorado	9	21	30	.300
Arizona	6	23	29	.207

2010-2019

Rank	Program	Won	Lost	Played	Percent
8	Oregon	101	32	133	.759
10	Stanford	98	35	133	.735
20	USC	86	45	131	.656
21	Washington	85	48	133	.639
26	Utah	83	47	130	.638
47	ASU	73	56	129	.566
65	UCLA	64	64	128	.500
67	Arizona	63	64	127	.496
71	WSU	61	65	126	.484
90	Cal	54	70	124	.435
107	Colorado	44	80	124	.355
111	OSU	43	79	122	.352

2000-2009

Rank	Program	Won	Lost	Played	Percent
11	USC	88	26	114	.772
14	Oregon	87	38	125	.696
15	Utah	86	36	122	.705
26	OSU	80	45	125	.640
36	Cal	71	53	124	.573
47	UCLA	67	57	124	.540
51	ASU	65	58	123	.528
71	Colorado	58	67	125	.464
76	WSU	57	63	120	.475
86	Arizona	49	69	118	.415
86	Washington	49	71	120	.408
90	Stanford	47	69	116	.405

*In 2005 USC went 12-1, but all 12 wins were vacated due to NCAA violations. In 2004, the Trojans went 13-0, but 2 wins were vacated.

1990-1999

Rank	Program	Won	Lost	Tied	Played	Percent
10	Colorado	87	29	4	120	.742
15	Washington	82	35	1	118	.699
26	Utah	71	46	0	117	.607
26	Arizona	71	46	1	118	.606
29	Oregon	70	48	0	118	.593
31	UCLA	69	46	0	115	.600
33	USC	68	49	4	121	.579
44	ASU	62	51	0	113	.549
51	Stanford	60	54	2	116	.526
58	Cal	54	60	1	115	.474
61	WSU	53	61	0	114	.465
101	OSU	29	81	1	111	.266

1980-1989

Rank	Program	Won	Lost	Tied	Played	Percent
13	Washington	84	33	2	119	.714
14	UCLA	82	30	6	118	.720
17	USC	78	36	3	117	.679
24	ASU	74	36	4	114	.667
34	Arizona	67	40	6	113	.619
57	Utah	54	57	3	114	.487
58	WSU	53	55	4	112	.491
64	Oregon	50	58	4	112	.464
64	Colorado	50	63	1	114	.443
80	Stanford	44	65	2	111	.405
90	Cal	37	69	4	110	.355
101	OSU	22	85	4	111	.216

1970-1979

Rank	Program	Won	Lost	Tied	Played	Percent
6	USC	93	21	5	119	.803
9	ASU	90	28	0	118	.763
26	Stanford	70	40	4	114	.632
31	Washington	67	44	0	111	.604
31	Colorado	67	46	1	114	.592
41	UCLA	62	44	6	112	.580
46	Arizona	60	50	1	111	.545
50	Cal	59	51	1	111	.536
94	Utah	44	67	0	111	.396
101	WSU	39	70	1	110	.359
104	Oregon	37	72	1	110	.340
118	OSU	29	81	1	111	.266