Cooper Tires Semper Fi
Career snapshot
82Outs
63Buckoffs
77.0%Buckoff %
42.63Avg bull score
46.50High score
245+ outs
2.35sAvg buckoff time
12Best streak
Career average on the 50-point bull scale42.63
Career Shape
82 scored outs58.7%Buckoffs under 3s
9.5%Riders dumped after 6s
±2.72Score volatility
The thin line is every scored out in career order; the bold line is his rolling eight-out average — the shape the title formula sees. Volatility is one standard deviation around his career average: low means a metronome, high means boom-or-bust.
Performance by Season
Season Statistics
| Season | Series | Rank | Outs | Rides | Buckoff % | Avg score | High | 45+ | Top-8 avg |
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Unleash The Beast | 595 | 5 | 2 | 60.0% | 40.70 | 41.75 | 0 | 40.70 |
| 2017 | Unleash The Beast | 63 | 11 | 2 | 81.8% | 43.14 | 44.00 | 0 | 43.28 |
| 2016 | Unleash The Beast | 58 | 15 | 6 | 60.0% | 42.58 | 44.25 | 0 | 43.19 |
| 2015 | Unleash The Beast | 38 | 15 | 4 | 73.3% | 42.92 | 44.75 | 0 | 43.72 |
One row per circuit per season, as published by PBR's scoring system. Only Unleash The Beast counts toward the World Champion Bull title — how the races fit together.
Head-to-Head
Riders who have faced Cooper Tires Semper Fi at least twice.
| Rider | Meetings | Rides | Buckoffs | Avg bull score | Best bull score | Best ride |
|---|---|---|---|---|---|---|
| Derek Kolbaba | 5 | 0 | 5 | 39.45 | 44.00 | — |
| Mike Lee | 4 | 1 | 3 | 44.38 | 45.50 | 88.75 |
| João Ricardo Vieira | 4 | 3 | 1 | 41.94 | 42.75 | 87.00 |
| J.W. Harris | 3 | 0 | 3 | 43.75 | 44.00 | — |
| Cody Nance | 3 | 1 | 2 | 43.00 | 44.00 | 87.75 |
| Fabiano Vieira | 3 | 1 | 2 | 42.67 | 43.25 | 85.50 |
| Kaique Pacheco | 3 | 2 | 1 | 42.08 | 42.50 | 86.50 |
| Gage Gay | 3 | 2 | 1 | 42.08 | 42.25 | 86.75 |
| Luciano De Castro | 2 | 0 | 2 | 43.50 | 43.50 | — |
| Nathan Schaper | 2 | 1 | 1 | 43.13 | 43.50 | 87.25 |
| Jess Lockwood | 2 | 1 | 1 | 43.00 | 44.25 | 86.00 |
| Tanner Byrne | 2 | 1 | 1 | 42.38 | 44.25 | 83.00 |
| Ryan Dirteater | 2 | 1 | 1 | 42.25 | 43.25 | 84.50 |
Ride History
82 recorded outs| Date | Rider | Result | Time | Bull score | Ride score | Series | Event |
|---|---|---|---|---|---|---|---|
| Aug 31, 2019 | Jake Benson | Buckoff | 2.40s | 42.00 | — | Touring Pro Division - USA | Dickinson, ND PBR Touring Pro |
| Jun 22, 2019 | Colten Fritzlan | Ridden | 8.00s | 42.50 | 87.00 | Touring Pro Division - USA | Binford PBR Touring Pro |
| Jun 8, 2019 | Travis Briscoe | Buckoff | 7.78s | 41.50 | — | Touring Pro Division - USA | Deadwood PBR Touring Pro |
| Oct 21, 2018 | Gage Gay | Buckoff | 4.57s | 41.75 | — | 25th PBR: Unleash the Beast | DEWALT GUARANTEED TOUGH INVITATIONAL PRESENTED BY COOPER TIRES |
| Sep 23, 2018 | Cody Nance | Buckoff | 2.41s | 41.25 | — | 25th PBR: Unleash the Beast | U.S. BORDER PATROL INVITATIONAL |
| Aug 4, 2018 | Lonnie West | Ridden | 8.00s | 43.50 | 89.50 | Touring Pro Division - USA | Livingston Classic |
| Jul 28, 2018 | Eli Miller | Buckoff | 1.25s | 44.00 | — | Touring Pro Division - USA | Big Sky PBR |
| Jul 27, 2018 | Kyle Jones | Buckoff | 1.31s | 44.00 | — | Touring Pro Division - USA | Big Sky PBR |
| Jun 23, 2018 | Tye Chandler | Buckoff | 1.26s | 44.50 | — | Touring Pro Division - USA | Bleacher Builders, LLC Touring Pro |
| Jun 16, 2018 | Brennon Eldred | Buckoff | 2.28s | 44.00 | — | Touring Pro Division - USA | Dakota Community Bank & Trust PBR Bull Riding Challenge |
| Apr 14, 2018 | Tanner Byrne | Ridden | 8.00s | 40.50 | 83.00 | 25th PBR: Unleash the Beast | TACOMA INVITATIONAL PRESENTED BY COOPER TIRES |
| Feb 18, 2018 | Chase Robbins | Buckoff | 7.73s | 40.25 | — | 25th PBR: Unleash the Beast | ST. LOUIS INVITATIONAL PRESENTED BY EXPRESS EMPLOYMENT PROFESSIONALS |
| Jan 13, 2018 | Cody Campbell | Ridden | 8.00s | 39.75 | 80.25 | 25th PBR: Unleash the Beast | CHICAGO INVITATIONAL |
| Nov 2, 2017 | Gage Gay | Ridden | 8.00s | 42.25 | 86.75 | Built Ford Tough Series | 2017 BUILT FORD TOUGH WORLD FINALS |
| Oct 7, 2017 | Derek Kolbaba | Buckoff | 1.41s | 44.00 | — | Built Ford Tough Series | 15/15 DEWALT GUARANTEED TOUGH INVITATIONAL |
| Sep 16, 2017 | Claudio Montanha Jr. | Buckoff | 3.31s | 42.75 | — | Built Ford Tough Series | 15/15 WRANGLER'S LONG LIVE COWBOYS CLASSIC |
| Aug 19, 2017 | Cody Teel | Buckoff | 6.70s | 42.75 | — | Built Ford Tough Series | BUILT FORD TOUGH MUSIC CITY KNOCKOUT |
| Jul 29, 2017 | Derek Kolbaba | Buckoff | 6.64s | 22.50 | — | Real Time Pain Relief Velocity Tour | Big Sky, MT Sactioned VEL Event |
| Jun 17, 2017 | Cody Nance | Buckoff | 5.66s | 44.00 | — | Real Time Pain Relief Velocity Tour | Bismarck, ND Dakota Community Bank PBR Bull Riding Challenge Day 2 |
| Apr 23, 2017 | Kurt Shephard | Buckoff | 2.32s | 43.00 | — | Built Ford Tough Series | TACOMA INVITATIONAL |
| Apr 9, 2017 | Koal Livingston | Buckoff | 3.27s | 44.00 | — | Built Ford Tough Series | STANLEY PERFORMANCE IN ACTION INVITATIONAL |
| Apr 2, 2017 | Fabiano Vieira | Buckoff | 1.50s | 43.00 | — | Built Ford Tough Series | FIRST PREMIER BANK PREMIER BANKCARD INVITATIONAL |
| Mar 18, 2017 | J.W. Harris | Buckoff | 1.31s | 43.75 | — | Built Ford Tough Series | ISLETA RESORT AND CASINO PRESENTS THE TY MURRAY INVITATIONAL |
| Feb 26, 2017 | Luciano De Castro | Buckoff | 1.25s | 43.50 | — | Built Ford Tough Series | ST. LOUIS INVITATIONAL |
| Feb 19, 2017 | J.B. Mauney | Buckoff | 4.00s | 43.00 | — | Real Time Pain Relief Velocity Tour | The American |
| Jan 29, 2017 | Justin Paton | Buckoff | 4.65s | 43.25 | — | Built Ford Tough Series | FRONTIER COMMUNICATIONS SACRAMENTO CLASH |
| Jan 13, 2017 | João Ricardo Vieira | Ridden | 8.00s | 42.25 | 86.50 | Built Ford Tough Series | 15/15 CHICAGO INVITATIONAL |
| Nov 19, 2016 | Luciano De Castro | Buckoff | 5.73s | 43.50 | — | Real Time Pain Relief Velocity Tour | Velocity New Town ND |
| Nov 18, 2016 | Brady Oleson | Buckoff | 3.65s | 44.00 | — | Real Time Pain Relief Velocity Tour | Velocity New Town ND |
| Nov 3, 2016 | Nevada Newman | Buckoff | 1.97s | 43.50 | — | Built Ford Tough Series | 2016 Built Ford Tough World Finals |
| Oct 16, 2016 | Kaique Pacheco | Ridden | 8.00s | 41.50 | 84.50 | Built Ford Tough Series | San Jose Invitational |
| Oct 15, 2016 | Derek Kolbaba | Buckoff | 4.54s | 43.00 | — | Built Ford Tough Series | San Jose Invitational 15/15 |
| Oct 1, 2016 | Jess Lockwood | Buckoff | 1.90s | 44.25 | — | Built Ford Tough Series | Eugene Invitational 15/15 |
| Sep 10, 2016 | Jess Lockwood | Ridden | 8.00s | 41.75 | 86.00 | Built Ford Tough Series | PFIWestern.com Invitational Presented by Bass Pro Shops 15/15 |
| Aug 19, 2016 | Chase Outlaw | Buckoff | 2.29s | 41.75 | — | Built Ford Tough Series | Nashville Invitational Presented By Cooper Tires |
| Jul 30, 2016 | Ryan McConnel | Buckoff | 1.24s | 46.50 | — | BlueDEF Velocity Tour | Big Sky, MT BlueDef Tour |
| Jun 18, 2016 | Dallee Mason | Buckoff | 5.92s | 43.50 | — | BlueDEF Velocity Tour | Day 2 Dakota Community Bank PBR Bullriding Challenge @ Bismarck, ND |
| Jun 17, 2016 | Mike Lee | Buckoff | 5.81s | 45.50 | — | BlueDEF Velocity Tour | Day 1 Dakota Community Bank PBR Bullriding Challenge |
| Apr 24, 2016 | João Ricardo Vieira | Ridden | 8.00s | 41.00 | 84.25 | Built Ford Tough Series | Des Moines Invitational Presented By Cooper Tires |
| Apr 10, 2016 | Kaique Pacheco | Buckoff | 7.88s | 42.50 | — | Built Ford Tough Series | BAD BOY MOWDOWN |
| Apr 2, 2016 | Ryan Dirteater | Buckoff | 1.74s | 43.25 | — | Built Ford Tough Series | First PREMIER Bank/PREMIER Bankcard Invitational 15/15 Bucking Battle |
| Mar 19, 2016 | Shane Proctor | Buckoff | 1.35s | 43.25 | — | Built Ford Tough Series | Sandia Resort and Casino presents the Ty Murray Invitational |
| Feb 27, 2016 | Fabiano Vieira | Ridden | 8.00s | 41.75 | 85.50 | Built Ford Tough Series | Choctaw Casino Iron Cowboy Powered by Kawasaki |
| Feb 14, 2016 | Silvano Alves | Buckoff | 6.86s | 42.50 | — | Built Ford Tough Series | Bass Pro Chute Out Presented by Cooper Tires |
| Jan 30, 2016 | Kaique Pacheco | Ridden | 8.00s | 42.25 | 86.50 | Built Ford Tough Series | ANAHEIM INVITATIONAL 15/15 |
| Jan 24, 2016 | João Ricardo Vieira | Ridden | 8.00s | 42.75 | 87.00 | Built Ford Tough Series | Express Employment Professionals Invitational |
| Jan 10, 2016 | Derek Kolbaba | Buckoff | 1.21s | 43.75 | — | Built Ford Tough Series | Chicago Invitational |
| Oct 22, 2015 | Neil Holmes | Buckoff | 3.80s | 41.25 | — | Built Ford Tough Series | 2015 Built Ford Tough World Finals |
| Sep 26, 2015 | Reese Cates | Buckoff | 3.91s | 44.00 | — | Built Ford Tough Series | Allentown Invitational 15/15 |
| Sep 13, 2015 | Stetson Lawrence | Buckoff | 1.32s | 44.75 | — | Built Ford Tough Series | PFI Invitational |
| Aug 22, 2015 | Cody Nance | Ridden | 8.00s | 43.75 | 87.75 | Built Ford Tough Series | Jack Daniel’s Invitational |
| Aug 15, 2015 | Luis Blanco | Buckoff | 3.09s | 44.25 | — | Built Ford Tough Series | Express Employment Professionals Classic |
| Jul 31, 2015 | Derek Kolbaba | Buckoff | 2.60s | 44.00 | — | BlueDEF Velocity Tour | Big Sky, MT BlueDef Velocity Tour |
| Jun 20, 2015 | Mike Lee | Buckoff | 3.00s | 44.00 | — | BlueDEF Velocity Tour | DCB & Trust Blue Def Velocity Tour |
| Jun 19, 2015 | Mike Lee | Buckoff | 2.30s | 44.50 | — | BlueDEF Velocity Tour | DCB & Trust Blue Def Velocity Tour |
| May 2, 2015 | Valdiron de Oliveira | Buckoff | 0.90s | 43.75 | — | Built Ford Tough Series | Built Ford Tough Rumble in the Rockies 15/15 |
| Apr 25, 2015 | Tanner Byrne | Buckoff | 1.69s | 44.25 | — | Built Ford Tough Series | Des Moines, IA 15/15 |
| Apr 19, 2015 | Renato Nunes | Buckoff | 2.33s | 43.50 | — | Built Ford Tough Series | Stanley Performance in Action Invitational |
| Apr 17, 2015 | J.W. Harris | Buckoff | 1.38s | 44.00 | — | Built Ford Tough Series | Stanley Performance in Action Invitational |
| Apr 12, 2015 | Nathan Schaper | Buckoff | 4.04s | 43.50 | — | Built Ford Tough Series | DeWalt Guaranteed Tough Invitational |
| Mar 28, 2015 | Nathan Schaper | Ridden | 8.00s | 42.75 | 87.25 | Built Ford Tough Series | SEATTLE INVITATIONAL |
| Mar 22, 2015 | J.W. Harris | Buckoff | 1.36s | 43.50 | — | Built Ford Tough Series | TY MURRAY INVITATIONAL |
| Mar 20, 2015 | Brady Sims (re-ride) | Buckoff | 1.42s | 35.75 | — | Built Ford Tough Series | TY MURRAY INVITATIONAL |
| Mar 14, 2015 | Mike Lee | Ridden | 8.00s | 43.50 | 88.75 | Built Ford Tough Series | SIOUX FALLS INVITATIONAL |
| Jan 3, 2015 | Ryan Dirteater | Ridden | 8.00s | 41.25 | 84.50 | Built Ford Tough Series | Baltimore Invitational |
| Oct 26, 2014 | Claudio Crisostomo | Buckoff | 5.53s | 40.50 | — | Built Ford Tough Series | 2014 Built Ford Tough World Finals |
| Oct 24, 2014 | Kasey Hayes | Buckoff | 1.34s | 43.75 | — | Built Ford Tough Series | 2014 Built Ford Tough World Finals |
| Sep 27, 2014 | Billy Robinson | Ridden | 8.00s | 44.25 | 89.50 | Built Ford Tough Series | Kawasaki Strong Battle at the Bay |
| Sep 19, 2014 | João Ricardo Vieira | Buckoff | 4.02s | 41.75 | — | Built Ford Tough Series | Desert Showdown (15/15) |
| Jun 13, 2014 | Tyler Harr | Buckoff | 3.40s | 42.50 | — | Touring Pro Division - USA | [14-277] Bismarck, ND |
| May 16, 2014 | Brady Sullivan | Buckoff | 2.78s | 43.00 | — | Touring Pro Division - USA | [14-266] Pueblo, CO |
| May 3, 2014 | Eduardo Aparecido | Buckoff | 1.60s | 44.25 | — | Built Ford Tough Series | Built Ford Tough Rumble in the Rockies (15/15) |
| Apr 27, 2014 | Douglas Duncan | Ridden | 8.00s | 44.00 | 88.00 | Built Ford Tough Series | BFTS in Des Moines |
| Apr 13, 2014 | Fabiano Vieira | Buckoff | 1.31s | 43.25 | — | Built Ford Tough Series | STANLEY Performance In Action Invitational |
| Apr 11, 2014 | Robson Palermo | Buckoff | 1.27s | 43.75 | — | Built Ford Tough Series | STANLEY Performance In Action Invitational |
| Apr 5, 2014 | Jason Malone | Buckoff | 2.13s | 42.75 | — | Built Ford Tough Series | DEWALT Guaranteed Tough Invitational |
| Mar 23, 2014 | Zane Lambert | Buckoff | 2.56s | 42.75 | — | Built Ford Tough Series | Ty Murray Invitational |
| Feb 22, 2014 | Gage Gay | Ridden | 8.00s | 42.25 | 84.50 | Built Ford Tough Series | Caterpillar Classic |
| Jan 24, 2014 | Matt Triplett | Buckoff | 1.79s | 42.75 | — | Built Ford Tough Series | BFTS in Oklahoma City |
| Oct 22, 2013 | Denny Fitzpatrick | Buckoff | 2.12s | 43.00 | — | Touring Pro Division - USA | [14-201] Las Vegas 10/22, NV |
| Jun 14, 2013 | Rich Macklin | Buckoff | 1.24s | 37.50 | — | Touring Pro Division - USA | [13-268] Guthrie , OK |
| Apr 13, 2013 | Mason Lowe | Buckoff | 3.35s | 42.00 | — | Touring Pro Division - USA | [13-246] Wichita , KS |
Career Milestones
- Apr 13, 2013 First recorded out at Wichita , KS.
- Apr 19, 2015 25th recorded out.
- Jun 17, 2016 First 45-point out (45.50).
- Jul 30, 2016 First 46-point out (46.50).
- Oct 1, 2016 50th recorded out.
- Aug 19, 2017 Bucked off his 10th straight rider.
- Jul 27, 2018 75th recorded out.
Source: PBR Data API ride records for Cooper Tires Semper Fi. Derived figures (matchups, milestones) are calculated by WorldChampionBull from those records. About this data →