CBS Sports College FootballShort-yardage / goal-line · enumeration
Who gets the tough yard
4/21Inside-5 share
4 of the team's 21 inside-the-5 carries (19.0%).
Ty Dieffenbach
Passing yards683149th of 159 quarterbacksLast gameW 27–0vs Nevada · Oct 31
Nextat MinnesotaSat Nov 7 · 12 pm ET
- touchdown
California · W 45-24
No pass attempts.
San Diego State · W 28-10
No pass attempts.
Purdue · W 52-38
No pass attempts.
Maryland · W 54-3
No pass attempts.
Dieffenbach has pass attempts in 4 of UCLA’s 8 games: none in the other 4.
Dashed line: 300 yards.
This week
- RecordUCLA is 8-0, No. 5 in the AP poll (week 10).
- Fans after Michigan State
That's the season if Dieffenbach is out tbh
UCLA fan
- Next gameat Minnesota · Sat Nov 7
What’s being said
9 stories this week, from 9 outlets.
A play of his this season
Ty Dieffenbach
A game that shows it: 264 passing yards against Wisconsin — Week 7, 2026.
683 passing yards · 3 passing TD · -2 rushing yards
Style of play
Style of play
Play style
Operates within the system without forcing anything.
Similar players
Closest statistical matches, adjusted for opponent strength.
In the news this week
from 9 outlets
UCLA QB Ty Dieffenbach makes telling admission about JoJo Siwa relationship: ‘Really close’
New York Post +1 Nov 2 · 2 outlets
What they’re talking about
In his words2 storiesrising
In the news this season
from 16 outlets
UCLA QB Ty Dieffenbach makes telling admission about JoJo Siwa relationship: ‘Really close’
New York Post +1 Nov 2 · 2 outlets
What they’re talking about
Starting job and depth chart5 storiesfading
247SportsTy Dieffenbach replaces Nico Iamaleava at quarterback following 3-turnover first halfOct 10
Los Angeles TimesUCLA names Ty Dieffenbach starting quarterback with Nico Iamaleava outOct 12
Yahoo SportsTy Dieffenbach's Journey To Becoming UCLA's New Potential QB1Oct 13- Yahoo SportsUCLA QB Ty Dieffenbach rolls in storybook first start, keeps Bruins unbeatenOct 17
In his words4 storiesrising
AOL.com +2'It means the world to me,' Ty Dieffenbach shares meaning of UCLA winOct 29- Yahoo SportsUCLA QB Ty Dieffenbach speaks after relief performance versus OregonOct 11
On3UCLA QB Ty Dieffenbach and LB Jalen Woods Said the Team's Bonding is Key After MSUOct 24- UCLA WireQB Ty Dieffenbach explains 'biggest differences' that set UCLA apartOct 30
Profile and feature2 stories
Win2 stories
Week by week
- Oct 29 to Nov 4W 27-0 vs Nevada9 storiesUCLA QB Ty Dieffenbach makes telling admission about JoJo Siwa relationship: ‘Really close’ New York Post +1
- Oct 22 to Oct 28W 28-10 vs Michigan State10 storiesUCLA QB Ty Dieffenbach shows off his many talents – including defense New York Post
- Oct 15 to Oct 21W 17-7 vs Wisconsin7 storiesUCLA football’s Bob Chesney gives Ty Dieffenbach the ultimate compliment after taking down Wisconsin Yahoo Sports
- Oct 8 to Oct 14W 17-15 at Oregon6 storiesUCLA football Tuesday practice observations: Ty Dieffenbach leads Bruins ahead of Wisconsin showdown 247Sports
- Sep 24 to Sep 30W 54-3 at MarylandNo stories
- Sep 17 to Sep 23W 52-38 vs PurdueNo stories
- Sep 10 to Sep 16W 28-10 vs San Diego StateNo stories
- Sep 3 to Sep 9W 45-24 at CaliforniaNo stories
Each week: his team’s game, the stories about him that week, and the week’s biggest news headline.
What was said at each stop
Stories we tracked, by school.
UCLA32 stories2026 to now
Most about: starting job and depth chart, in his words, profile and feature.
- AOL.com +2'It means the world to me,' Ty Dieffenbach shares meaning of UCLA winOct 29
USA Today +1Ty Dieffenbach to take reins for undefeated UCLA after Iamaleava injuryOct 17- USA Today +1Ty Dieffenbach injury update: UCLA loses another QB to injured legOct 24
All 2 articles
- New York Post +1UCLA QB Ty Dieffenbach makes telling admission about JoJo Siwa relationship: ‘Really close’Nov 2
- 247SportsTy Dieffenbach replaces Nico Iamaleava at quarterback following 3-turnover first halfOct 10
Pittsburgh2023 to 2024not trackedStories are headlines grouped by what they are about, counted through Nov 4.
What fans said
Fans first named Ty Dieffenbach at Oregon.
- How much fans talked in a game against the usual
- The usual, named once in the key
- A fan first, numbered by kind (1 first named)
vs Michigan State, Oct 24Where has dieffenbach been man. Nico should lowkey never have been startingUCLA fan, r/CFB game thread
vs Wisconsin, Oct 17That's a very good deep throw by Dieffenbach even if incomplete, put it in a location where it was his guy or nobodyUCLA fan, r/CFB game thread
at Oregon, Oct 10uhhhh are we sure Dieffenbach is worse than Nico?UCLA fan, r/CFB game thread
Latest stories
- 'We're good friends now' UCLA QB Ty Dieffenbach on dancer JoJo SiwaYahoo SportsNov 2
- Ty Dieffenbach rushes for 4-yard TD, further extending UCLA's lead over Nevada
FOX SportsOct 31 - Ty Dieffenbach finds Wayne Knight for 12-yard TD, further extending UCLA's lead over NevadaFOX SportsOct 31
- Why UCLA Could Soon Find Fireworks With Ty Dieffenbach
Sports IllustratedOct 29 - Jacob’s Wake-Up Call: Ty Dieffenbach keeps the Bruins’ competitive streak amid Iamaleava’s injury
Daily BruinOct 28
In the game threads
vs Nevada, Oct 31As everyone predicted, Luke Duncan has more completions to UCLA than Ty Dieffenbach after 1QUCLA fan, r/CFB game threadAura™ · Him Watch
Aura compares how much fans talk about this player with how well this player plays, each ranked among QBs.
Talk matches play
−7aura tax
Fans rank this player in the 44th percentile of QBs; the tape says
51st percentile our passing-value metric (weighted expected points added) ranked among 624 QBs
— the talk and the play rank about the same.Aura — fan perception44th percentile
Production — on-field51st percentile
Ranked among the 624 QBs we have enough data on. Perception is how much fans talk about this player; production is our passing-value metric (weighted expected points added).
Where to follow
Career stats
Swipe the table sideways for more columns.
| Season | Team | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | UCLA | 59 | 100 | 59.0% | 683 | 6.8 | 3 | 1 | 124.3 | 56 |
| Career | 59 | 100 | 59.0% | 683 | 6.8 | 3 | 1 | 124.3 | 56 |
| Season | Team | |||||
|---|---|---|---|---|---|---|
| 2026 | UCLA | 19 | −2 | −0.1 | 1 | 8 |
| Career | 19 | −2 | −0.1 | 1 | 8 |
Last game (Wk 9): 178 passing yards, 1 passing TD.
Game log
Game log · Week-by-week
2026 season · 4 games
Swipe the table sideways for more columns.
| Wk | Opp | Grade | CMP/ATT | YDS | TD | INT | YPA | QBR | SK | RUSH | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wk 6 | W 17-15@ No. 13 Oregon | Came on in Q2 | 3/6 | 43 | 1 | 0 | 7.2 | 35.2 | 1 | -15 | |
| Wk 7 | W 17-7vs Wisconsin | Solid | 22/33 | 264 | 0 | 1 | 8.0 | 82.8 | 1 | -12 | Season-high 264 yds |
| Wk 8 | W 28-10vs Michigan State | Shaky | 18/31 | 198 | 1 | 0 | 6.4 | 43.7 | 0 | 17 | |
| Wk 9 | W 27-0vs Nevada | Solid | 16/30 | 178 | 1 | 0 | 5.9 | 61.9 | 1 | 8 | |
| Total | 59/100 | 683 | 3 | 1 | 6.8 | — | 3 | -2 |
The latest game
Oct. 31 · W 27-0 vs Nevada
16 of 30 for 178 yards and a touchdown.
The season, game by game
W 28-10 vs Michigan StateOct. 24198 yds18 of 31, 1 TDBox score only
18 of 31 for 198 yards and a touchdown.
Not drawn: the play-by-play doesn’t add up to the box score.
2 more games, with the play by play
W 17-7 vs WisconsinOct. 17264 yds22 of 33, 1 INTBox score only
22 of 33 for 264 yards and an interception.
Not drawn: the play-by-play doesn’t add up to the box score.
W 17-15 at OregonOct. 1043 yds3 of 6, 1 TD
3 of 6 for 43 yards and a touchdown. He was 2 of 5 on third and fourth down.
- 1 of 6 of his drives scored
- 2 of 5 on 3rd and 4th down
- sacked once
- 3 runs for -2 yds
- Second quarterbegan down 6-3
- Int0 of 1, 0 yds
- Third quarterbegan up 10-6
- Punt1 of 1, 20 yds12
- Downs—
- TD2 of 3, 23 yds34
- Fourth quarterbegan up 10-6
- Punt—
- Punt0 of 1, 0 yds
- FinalW 17-15
a drive that ended in a touchdown or a field goala drive he didn’t playa completion, by its yardshis runincompleteinterceptedsacked, by the yards lost
completea touchdownincompleteinterceptedhis runsacked
- 1
20-yard completion to Leland Smith. Third quarter, up 10-6.
- 2
Sacked for a 13-yard loss on 3rd and 19. Third quarter, up 10-6.
- 3
14-yard completion to Semaj Morgan on 3rd and 7. Third quarter, up 10-6. Converted.
- 4
9-yard touchdown pass to Wayne Knight on 3rd and 3. Fourth quarter, made it 17-6.
1020304050
leftmiddlerightno spot
a completionincompleteinterceptedsacked, below the line
Each pass sits where it was caught or thrown to, in yards past the line. The play text only says left, middle or right, so inside a lane marks are sorted, not placed.
Signature game
Week 9 · 2026
W 27-0
vs Nevada
178 yds · 1 TD · 0 INT · QBR 61.9
Dominant 27-point win at home against Nevada.
With C. Gerrand — 45.6 yards per punt · 5 punts · 2 inside the 20 · W. Knight — 53 rush yds (11 car) · 2 rec · 21 yds · 1 TD
Signature plays
The plays that mattered most
- Week 8 · Michigan State · 1st and 10 · Q3 · EPA +5.05Dieffenbach to Rowe Jr.: a 63-yard touchdown pass.
- Week 7 · Wisconsin · 3rd and 6 · Q4 · EPA +3.72Dieffenbach to Morgan: a 33-yard pass.
- Week 9 · Nevada · 2nd and 10 · Q2 · EPA +3.72Dieffenbach to Rowe Jr.: a 38-yard pass.
- Week 7 · Wisconsin · 3rd and 13 · Q3 · EPA +3.53Dieffenbach to Loftin: a 22-yard pass.
- Week 9 · Nevada · 3rd and 13 · Q3 · EPA +3.34T.Dieffenbach pass complete short middle to J.Saint Paul for 14 yards (A.Walker; L.Turner-Gooden)
- Week 7 · Wisconsin · 3rd and 6 · Q2 · EPA +2.81Dieffenbach to Morgan: a 31-yard pass.
4 more plays
- Week 9 · Nevada · 2nd and 9 · Q3 · EPA +2.78Dieffenbach to Knight: a 12-yard touchdown pass.
- Week 6 · Oregon · 3rd and 3 · Q4 · EPA +2.70Dieffenbach to Knight: a 9-yard touchdown pass.
- Week 6 · Oregon · 2nd and 10 · Q3 · EPA −2.69T.Dieffenbach rush right for 9 yards loss (T.Tuioti)
- Week 9 · Nevada · 2nd and 4 · Q2 · EPA +2.33T.Dieffenbach rush middle for 4 yards gain for a touchdown
Where he ranks
| Stat | His | Nation | Big Ten |
|---|---|---|---|
| Passing yards | 683 | 144th of 370 | 21st of 50 |
| Yards an attempt | 6.8 | T-114th of 152 | T-19th of 22 |
| Touchdown passes | 3 | T-151st of 370 | T-24th of 50 |
| Passer rating | 124.3 | T-116th of 152 | T-19th of 22 |
| Completion percentage | 59.0 | T-119th of 152 | 18th of 22 |
| Rushing yards | -2 | T-306th of 370 | 35th of 50 |
| Rushing touchdowns | 1 | T-117th of 370 | T-14th of 50 |
Counting stats rank all FBS quarterbacks with a pass attempt; the rates rank those with at least 10 attempts a game.
All Big Ten quarterbacks
Sorted by passing yards. Gray: under 10 attempts a game, so not ranked on yards an attempt.
Opponents faced, by strength
Ratings of the games shown run from -3 to +17 points against an average team (SP+ rating of each opponent).
Pass targets
Morgan and Mizell saw 36 of the 100 charted throws.
| Receiver | Targets, caught | Targets | Catches | Yards | Throw depth | After catch |
|---|---|---|---|---|---|---|
| Semaj Morgan | 22 | 18 | 200 | 6.9 | 5.4 | |
| Aidan Mizell | 14 | 5 | 30 | 12.4 | 2.0 | |
| Brian Rowe Jr. | 12 | 7 | 141 | 14.5 | 3.9 | |
| Landon Ellis | 10 | 4 | 68 | 12.7 | 8.2 | |
| Wayne Knight | 7 | 6 | 36 | -2.3 | 8.4 | |
| 6 others | 22 | 12 | 111 | 4.0 | 5.8 | |
| No receiver charted | 13 | The interception is among these | ||||
Play by play: 100 passes, 59 caught, 683 yards. Throw depth: average air yards per target. After catch: average yards after the catch per catch. Bar: targets; the blue part was caught.
Passing profile
Pass Profile · True throw depth (charted plays)
Adjusted ANY/A, sack rate, and where the yards came from
100 of 100 attempts matched to play-by-play
99 of 100 attempts charted for true throw depth
Adjusted ANY/A
6.4696 of 185 QBsSack rate
2.9%29 of 185 QBsRarely sacked (29 of 185), but Adjusted ANY/A hasn't followed (96 of 185).
Adjusted ANY/A uses full-season box-score totals (attempts, yards, TDs, INTs); sack rate is play-by-play-derived.
Behind LOS · Negative air yds
23% of attempts (23)
87%comp
Air -3.6 · YAC 9.0 avg
Short · 0–9 air yds
33% of attempts (33)
58%comp
Air 4.2 · YAC 3.5 avg
Middle · 10–19 air yds
26% of attempts (26)
50%comp
Air 13.3 · YAC 3.1 avg
Deep · 20+ air yds
17% of attempts (17)
35%comp1 INT
Air 28.8 · YAC 4.3 avg
Overall 59.0% completion on 100 attempts · 35% completion on 17 deep attempts (20+ air yds).
Teams and coaches
2026UCLA8-0HC: Bob Chesney · Run-leaning
Our ratings
Splits
Home and road splits, scheme and staff
Splits · Per-game
2026 season · 4 games
Home vs Road
| YDS/g | TD/g | YPA | INT/g | |
|---|---|---|---|---|
| Home3g | 213 | 0.7 | 6.8 | 0.3 |
| Road1g | 43.0 | 1.0 | 7.2 | 0.0 |
First half vs Second half
| YDS/g | TD/g | YPA | INT/g | |
|---|---|---|---|---|
| Weeks 1-72g | 154 | 0.5 | 7.6 | 0.5 |
| Weeks 8+2g | 188 | 1.0 | 6.2 | 0.0 |
Supporting cast · Scheme
Staff and system around the player
Head Coach
Bob Chesney
Pass share
40.8%
218 pass / 316 run
Plays / game
66.8
8 games
Scheme: Run-leaning.
UCLA’s quarterbacks
| Ty Dieffenbach | Threw in 4 of 8 games · 59 of 100, 683 yds, 3 TD, 1 INT · 6.8 yards an attempt on 100 attempts · ran for -2 yds, 1 TD |
| Nico Iamaleava | Threw in 5 of 8 games · 72 of 116, 982 yds, 4 TD, 4 INT · 8.5 yards an attempt on 116 attempts · ran for 144 yds, 1 TD |
| Madden Iamaleava | Threw in 1 of 8 games · 0 of 1, 0 yds, 0 TD, 0 INT · 0.0 yards an attempt on 1 attempt · ran for 6 yds, 0 TD |
Box score. Every quarterback on the team who has thrown a pass this season.
Who threw, quarter by quarter
Who threw in each quarter. Blue: Ty Dieffenbach. Gray: Nico Iamaleava, Madden Iamaleava. From the play by play.
Q1Q2Q3Q4@ CaliforniaSan Diego StatePurdue@ Maryland@ OregonWisconsinMichigan StateNevada
Awards
Player standing · 2026
100 pass attempts and 19 carries in 4 games
Fewer passes and runs a game than most FBS quarterbacks who play every week.
Roster2-deepStarterRecognizedEliteApex
Starter
The No. 1,646 recruit in the country is starting at quarterback in the Big Ten.
Four seasons, three schools
2026 is in progress.
- 2026 UCLA ChesneyYear 4 · 4 games
- 2025 Cal PolyYear 3 · 1 game
- Dec 2024 Entered the transfer portalPittsburgh to Cal Poly
- 2024 Pittsburgh NarduzziYear 2 · on the roster, no stat line
- 2023 Pittsburgh NarduzziYear 1 · on the roster, no stat line
- High school AgouraAgoura Hills, CA · Class of 2023Three-star, No. 1,646 in the 2023 class. Signed with Pittsburgh.
Moves
- Transferred from Pittsburgh to Cal Poly, Dec 28, 2024.
2023
- Signed with PittsburghThree-star, out of Agoura
2025
- Transferred to Cal Polyfrom Pittsburgh
Coaching lineage · 2023–2026
2 coaches2023–2024
Pittsburgh
Played for 2 head coaches at 2 schools: Pat Narduzzi and Bob Chesney.