Ty Dieffenbach — Ucla

AT A GLANCE

TY DIEFFENBACH

QB · UCLA

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2026 SEASON · BIG TEN · PLAYER TREND REPORT

ACCOMPLISHMENTS

UNDEFEATED SEASON

2026 — 8-0 (games on file)

2026 SEASON (4 GMS): PASSING: 59/100 (59.0%), 683 YDS, 3 TD, 1 INT, 124.3 QBR, SACKED 4x RUSHING: 19 CAR, -2 YDS, 1 TD

CAREER (13 GMS): PASSING: 151/262 (57.6%), 1988 YDS, 13 TD, 10 INT, 130.1 QBR RUSHING: 75 CAR, 250 YDS, 4 TD

TREND NOTES

Ty Dieffenbach has thrown for 1+ TD in 3 of his last 4 games.
Ty Dieffenbach has avoided an interception in back-to-back games. It is the first time in his career he has done it back-to-back. He has never stretched it to 3 straight.
Ty Dieffenbach had a career-high 264 pass yds vs WISCONSIN on 10/17/26.
Ty Dieffenbach had 16-of-30 for 178 yds and 1 TD, 4 carries for 8 yds and 1 TD vs NEVADA (2026).
Ty Dieffenbach has never had more than 6 carries in a game in his career.

WIN SHARES

His share of his team's actual wins. A team's win shares add up to its win total; see “Advanced Metrics Explained” on the Leaders page for the method.

Season	Win Shares	Offense	Defense	Team wins	Share of wins	Division rank
2026	0.36	0.36	0.00	8	4%	237 of 10,090 (FBS)

Season

Win Shares

Offense

Defense

Team wins

Share of wins

Division rank

2026

0.36

0.36

0.00

237 of 10,090 (FBS)

2026 GAME LOG

DATE	OPPONENT	C-ATT	COMP %	PASS YDS	YPA	TD	INT	QBR	SACKED	CAR	RUSH YDS	YPC	TD
09/05/2026	@ CALIFORNIA	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/12/2026	vs. SAN DIEGO ST.	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/19/2026	vs. PURDUE	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/26/2026	@ MARYLAND	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
10/10/2026	@ OREGON	3-6	50.0%	43	7.2	1	0	165.2	3	4	-15	-3.8	0
10/17/2026	vs. WISCONSIN	22-33	66.7%	264	8.0	0	1	127.8	1	6	-12	-2.0	0
10/24/2026	vs. MICHIGAN ST.	18-31	58.1%	198	6.4	1	0	122.4	0	5	17	3.4	0
10/31/2026	vs. NEVADA	16-30	53.3%	178	5.9	1	0	114.2	0	4	8	2.0	1
TOTALS	8 GMS	59-100	59.0%	683	6.8	3	1	124.3	4	19	-2	-0.1	1

DATE	OPPONENT	C-ATT	COMP %	PASS YDS	YPA	TD	INT	QBR	SACKED	CAR	RUSH YDS	YPC	TD
2025 SEASON
08/30/2025	@ SAN DIEGO	18-27	66.7%	263	9.7	3	0	185.2	2	--	--	--	--
09/06/2025	@ UTAH	6-9	66.7%	82	9.1	0	1	121.0	2	3	-7	-2.3	0
09/13/2025	vs. WESTERN ORE.	8-11	72.7%	192	17.5	3	0	309.3	2	6	13	2.2	0
09/20/2025	@ SFA	1-2	50.0%	42	21.0	0	0	226.4	1	5	14	2.8	0
09/27/2025	@ SACRAMENTO ST.	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
10/04/2025	vs. UC DAVIS	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
10/11/2025	@ MONTANA	15-33	45.5%	225	6.8	1	4	88.5	1	3	13	4.3	0
10/25/2025	vs. MONTANA ST.	2-5	40.0%	3	0.6	0	0	45.0	0	3	9	3.0	0
11/01/2025	vs. PORTLAND ST.	14-23	60.9%	207	9.0	1	1	142.1	0	10	64	6.4	2
11/08/2025	@ IDAHO ST.	18-29	62.1%	172	5.9	1	1	116.4	1	18	142	7.9	1
11/15/2025	@ NORTHERN ARIZ.	10-23	43.5%	119	5.2	1	2	83.9	3	8	4	0.5	0
11/22/2025	vs. EASTERN WASH.	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
2026 SEASON
09/05/2026	@ CALIFORNIA	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/12/2026	vs. SAN DIEGO ST.	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/19/2026	vs. PURDUE	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/26/2026	@ MARYLAND	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
10/10/2026	@ OREGON	3-6	50.0%	43	7.2	1	0	165.2	3	4	-15	-3.8	0
10/17/2026	vs. WISCONSIN	22-33	66.7%	264	8.0	0	1	127.8	1	6	-12	-2.0	0
10/24/2026	vs. MICHIGAN ST.	18-31	58.1%	198	6.4	1	0	122.4	0	5	17	3.4	0
10/31/2026	vs. NEVADA	16-30	53.3%	178	5.9	1	0	114.2	0	4	8	2.0	1
CAREER TOTALS	20 GMS	151-262	57.6%	1988	7.6	13	10	130.1	16	75	250	3.3	4

"N/A" stands in for a box score that does not have stats entered for this player.

PROJECT STATS — VS. ANY OPPONENT

Search any team to project TY DIEFFENBACH’s stat line against them (neutral site) — the same share-of-team-projection mechanism as the schedule above.

LAST YEAR'S NUMBERS — 2025

DATE	OPPONENT	C-ATT	COMP %	PASS YDS	YPA	TD	INT	QBR	SACKED	CAR	RUSH YDS	YPC	TD
08/30/2025	@ SAN DIEGO	18-27	66.7%	263	9.7	3	0	185.2	2	--	--	--	--
09/06/2025	@ UTAH	6-9	66.7%	82	9.1	0	1	121.0	2	3	-7	-2.3	0
09/13/2025	vs. WESTERN ORE.	8-11	72.7%	192	17.5	3	0	309.3	2	6	13	2.2	0
09/20/2025	@ SFA	1-2	50.0%	42	21.0	0	0	226.4	1	5	14	2.8	0
10/11/2025	@ MONTANA	15-33	45.5%	225	6.8	1	4	88.5	1	3	13	4.3	0
10/25/2025	vs. MONTANA ST.	2-5	40.0%	3	0.6	0	0	45.0	0	3	9	3.0	0
11/01/2025	vs. PORTLAND ST.	14-23	60.9%	207	9.0	1	1	142.1	0	10	64	6.4	2
11/08/2025	@ IDAHO ST.	18-29	62.1%	172	5.9	1	1	116.4	1	18	142	7.9	1
11/15/2025	@ NORTHERN ARIZ.	10-23	43.5%	119	5.2	1	2	83.9	3	8	4	0.5	0
TOTALS	9 GMS	92-162	56.8%	1305	8.1	10	9	133.7	12	56	252	4.5	3

HIGHS & LOWS

STAT	HIGH	GAME	LOW	GAME
PASS YDS	264	10/17/2026 vs Wisconsin	3	10/25/2025 vs Montana St.
PASS TD	3	08/30/2025 vs San Diego	0	09/06/2025 vs Utah
RUSH YDS	142	11/08/2025 vs Idaho St.	-15	10/10/2026 vs Oregon
CAR	18	11/08/2025 vs Idaho St.	3	09/06/2025 vs Utah
RUSH TD	2	11/01/2025 vs Portland St.	0	09/06/2025 vs Utah

STAT	HIGH	GAME	LOW	GAME
PASS YDS	264	10/17/2026 vs Wisconsin	43	10/10/2026 vs Oregon
PASS TD	1	10/10/2026 vs Oregon	0	10/17/2026 vs Wisconsin
RUSH YDS	17	10/24/2026 vs Michigan St.	-15	10/10/2026 vs Oregon
CAR	6	10/17/2026 vs Wisconsin	4	10/10/2026 vs Oregon
RUSH TD	1	10/31/2026 vs Nevada	0	10/10/2026 vs Oregon

CAREER, SEASON BY SEASON

SEASON	GP	C-ATT	COMP %	PASS YDS	YPA	TD	INT	QBR	SACKED	CAR	RUSH YDS	YPC	TD
2025 (CAL POLY)	9	92-162	56.8%	1305	8.1	10	9	133.7	12	56	252	4.5	3
2026 (UCLA)	4	59-100	59.0%	683	6.8	3	1	124.3	4	19	-2	-0.1	1
TOTALS	13	151-262	57.6%	1988	7.6	13	10	130.1	16	75	250	3.3	4

CAREER GAME LOG

DATE	OPPONENT	C-ATT	COMP %	PASS YDS	YPA	TD	INT	QBR	SACKED	CAR	RUSH YDS	YPC	TD
08/30/2025	@ SAN DIEGO	18-27	66.7%	263	9.7	3	0	185.2	2	--	--	--	--
09/06/2025	@ UTAH	6-9	66.7%	82	9.1	0	1	121.0	2	3	-7	-2.3	0
09/13/2025	vs. WESTERN ORE.	8-11	72.7%	192	17.5	3	0	309.3	2	6	13	2.2	0
09/20/2025	@ SFA	1-2	50.0%	42	21.0	0	0	226.4	1	5	14	2.8	0
10/11/2025	@ MONTANA	15-33	45.5%	225	6.8	1	4	88.5	1	3	13	4.3	0
10/25/2025	vs. MONTANA ST.	2-5	40.0%	3	0.6	0	0	45.0	0	3	9	3.0	0
11/01/2025	vs. PORTLAND ST.	14-23	60.9%	207	9.0	1	1	142.1	0	10	64	6.4	2
11/08/2025	@ IDAHO ST.	18-29	62.1%	172	5.9	1	1	116.4	1	18	142	7.9	1
11/15/2025	@ NORTHERN ARIZ.	10-23	43.5%	119	5.2	1	2	83.9	3	8	4	0.5	0
10/10/2026	@ OREGON	3-6	50.0%	43	7.2	1	0	165.2	3	4	-15	-3.8	0
10/17/2026	vs. WISCONSIN	22-33	66.7%	264	8.0	0	1	127.8	1	6	-12	-2.0	0
10/24/2026	vs. MICHIGAN ST.	18-31	58.1%	198	6.4	1	0	122.4	0	5	17	3.4	0
10/31/2026	vs. NEVADA	16-30	53.3%	178	5.9	1	0	114.2	0	4	8	2.0	1
TOTALS	13 GMS	151-262	57.6%	1988	7.6	13	10	130.1	16	75	250	3.3	4