Viper
Career snapshot
49Outs
38Buckoffs
78.0%Buckoff %
42.66Avg bull score
47.00High score
445+ outs
2.86sAvg buckoff time
14Best streak
Career average on the 50-point bull scale42.66
Career Shape
48 scored outs32.4%Buckoffs under 3s
16.2%Riders dumped after 6s
±2.39Score 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2024 | Unleash The Beast | 346 | 1 | 1 | 0.0% | 41.25 | 41.25 | 0 | 41.25 |
| 2024 | Challenger Series | 254 | 1 | 1 | 0.0% | 42.50 | 42.50 | 0 | 42.50 |
| 2023 | Unleash The Beast | 185 | 3 | 2 | 33.3% | 42.42 | 43.25 | 0 | 42.42 |
| 2022 | Unleash The Beast | 381 | 5 | 0 | 100.0% | 41.95 | 43.25 | 0 | 41.95 |
| 2021 | Unleash The Beast | 72 | 3 | 2 | 33.3% | 43.83 | 44.75 | 0 | 43.83 |
| 2020 | Unleash The Beast | 68 | 10 | 3 | 70.0% | 41.58 | 44.50 | 0 | 43.59 |
| 2019 | Unleash The Beast | 740 | 7 | 1 | 85.7% | 42.25 | 44.50 | 0 | 36.97 |
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 Viper at least twice.
| Rider | Meetings | Rides | Buckoffs | Avg bull score | Best bull score | Best ride |
|---|---|---|---|---|---|---|
| João Ricardo Vieira | 3 | 1 | 2 | 43.33 | 44.50 | 90.25 |
| Silvano Alves | 3 | 2 | 1 | 41.83 | 42.25 | 86.00 |
| Matt Triplett | 2 | 0 | 2 | 43.63 | 44.25 | — |
Ride History
49 recorded outs| Date | Rider | Result | Time | Bull score | Ride score | Series | Event |
|---|---|---|---|---|---|---|---|
| Jul 19, 2024 | Brady Fielder | Ridden | 8.00s | 42.50 | 87.50 | Challenger Series | Big Sky PBR |
| Jan 12, 2024 | Silvano Alves | Ridden | 8.00s | 41.25 | 84.50 | Unleash The Beast | TRACTOR SUPPLY CO. PBR CHICAGO |
| Jul 22, 2023 | Callum Miller | Buckoff | 4.39s | 43.00 | — | Challenger Series | Big Sky PBR |
| Jul 21, 2023 | Vitor Losnake | Ridden | 8.00s | 41.50 | 85.00 | Challenger Series | Big Sky PBR |
| Jul 20, 2023 | Marcus Mast | Buckoff | 3.51s | 43.50 | — | Challenger Series | Big Sky PBR |
| Jan 28, 2023 | Bob Mitchell | Buckoff | 3.33s | 43.25 | — | Unleash The Beast | PBR ZIPRECRUITER INVITATIONAL PRESENTED BY ARIAT |
| Jan 7, 2023 | Jesse Petri | Ridden | 8.00s | 42.25 | 87.00 | Unleash The Beast | PBR MONSTER ENERGY BUCK OFF AT THE GARDEN PRESENTED BY ARIAT |
| Jan 6, 2023 | Alex Cerqueira | Ridden | 8.00s | 41.75 | 84.75 | Unleash The Beast | PBR MONSTER ENERGY BUCK OFF AT THE GARDEN PRESENTED BY ARIAT |
| Jul 23, 2022 | Conner Halverson | Buckoff | 3.00s | 44.00 | — | Challenger Series | Big Sky PBR |
| Jul 21, 2022 | Andrew Alvidrez | Buckoff | 4.44s | 43.50 | — | Challenger Series | Big Sky PBR |
| Apr 9, 2022 | Adriano Salgado | Buckoff | 1.70s | 40.25 | — | Unleash The Beast | PBR WRANGLER INVITATIONAL PRESENTED BY COOPER TIRES |
| Apr 6, 2022 | Alex Marcilio | Buckoff | 3.57s | 43.25 | — | Unleash The Beast | PBR EVERETT INVITATIONAL |
| Mar 12, 2022 | Dalton Kasel (re-ride) | Buckoff | 5.19s | 42.25 | — | Unleash The Beast | PBR U.S. BORDER PATROL INVITATIONAL PRESENTED BY COOPER TIRES |
| Feb 12, 2022 | João Ricardo Vieira | Buckoff | 2.89s | 42.00 | — | Unleash The Beast | PBR EXPRESS RANCHES INVITATIONAL PRESENTED BY UNION HOME MORTGAGE |
| Jan 8, 2022 | Rafael dos Santos | Buckoff | 6.81s | 42.00 | — | Unleash The Beast | PBR MONSTER ENERGY BUCKOFF AT THE GARDEN PRESENTED BY ARIAT |
| Nov 6, 2021 | Dalton Kasel | Buckoff | 1.18s | 44.75 | — | Unleash The Beast | PBR WORLD FINALS: UNLEASH THE BEAST |
| Oct 9, 2021 | João Ricardo Vieira | Ridden | 8.00s | 43.50 | 90.25 | Unleash The Beast | PBR UNION HOME MORTGAGE INVITATIONAL PRESENTED BY BASS PRO SHOPS |
| Aug 22, 2021 | Eli Vastbinder | Ridden | 8.00s | 43.25 | 89.00 | Unleash The Beast | PBR ARIAT MUSIC CITY KNOCKOUT PRESENTED BY COOPER TIRES |
| Jul 24, 2021 | D.J. Parker | Buckoff | 3.60s | 44.50 | — | Touring Pro Division - USA | Big Sky PBR |
| Oct 11, 2020 | Silvano Alves | Ridden | 8.00s | 42.00 | 86.00 | Unleash The Beast | PBR EXPRESS RANCHES CLASSIC PRESENTED BY BASS PRO SHOPS |
| Sep 20, 2020 | Brennon Eldred | Ridden | 8.00s | 43.50 | 89.00 | Unleash The Beast | PBR LUCAS OIL INVITATIONAL |
| Aug 30, 2020 | Cole Melancon (re-ride) | Buckoff | 5.52s | 33.75 | — | Unleash The Beast | PBR WinStar WORLD CASINO AND RESORT INVITATIONAL |
| Mar 7, 2020 | João Henrique Lucas (re-ride) | Buckoff | 6.58s | 33.25 | — | Unleash The Beast | BAD BOY MOWERS MOWDOWN |
| Feb 29, 2020 | Cole Melancon | Buckoff | 4.60s | 44.25 | — | Unleash The Beast | CATERPILLAR CLASSIC 15/15 BUCKING BATTLE |
| Feb 28, 2020 | Ray Mayo | Buckoff | 2.03s | 42.25 | — | Touring Pro Division - USA | WCRA Royal City Roundup |
| Feb 23, 2020 | Matt Triplett | Buckoff | 7.23s | 44.25 | — | Unleash The Beast | U.S. BORDER PATROL INVITATIONAL |
| Feb 16, 2020 | Brock Radford | Buckoff | 3.44s | 42.50 | — | Global Cup | WINSTAR WORLD CASINO AND RESORT PBR GLOBAL CUP USA PRESENTED BY MONSTER ENERGY |
| Feb 1, 2020 | Daylon Swearingen | Buckoff | 7.05s | 43.75 | — | Unleash The Beast | EXPRESS RANCHES INVITATIONAL |
| Jan 11, 2020 | Alan de Souza | Buckoff | 4.04s | 43.75 | — | Unleash The Beast | CHICAGO INVITATIONAL |
| Jan 5, 2020 | Taylor Toves | Buckoff | 3.63s | 44.50 | — | Unleash The Beast | MONSTER ENERGY BUCKOFF AT THE GARDEN PRESENTED BY ARIAT |
| Jan 3, 2020 | Kaique Pacheco | Ridden | 8.00s | 42.75 | 88.25 | Unleash The Beast | MONSTER ENERGY BUCKOFF AT THE GARDEN PRESENTED BY ARIAT |
| Nov 6, 2019 | Matt Triplett | Buckoff | 3.52s | 43.00 | — | Unleash The Beast | 2019 PBR WORLD FINALS |
| Oct 5, 2019 | João Ricardo Vieira | Buckoff | 2.43s | 44.50 | — | Unleash The Beast | MINNEAPOLIS INVITATIONAL |
| Sep 13, 2019 | Cody Teel | Buckoff | 2.13s | 40.00 | — | Unleash The Beast | PFIWESTERN.COM INVITATIONAL |
| Sep 1, 2019 | Leonardo Lima | Buckoff | 2.01s | 47.00 | — | Touring Pro Division - USA | Central Texas State Fair |
| Aug 10, 2019 | Danilo Carlos Sobrinho | Buckoff | 6.65s | 42.75 | — | Unleash The Beast | EXPRESS RANCHES CLASSIC PRESENTED BY OSAGE CASINO |
| Aug 3, 2019 | Eduardo de Oliveira | Buckoff | 3.09s | 42.50 | — | Touring Pro Division - USA | Zimmerer Kubota PBR Challenge |
| Jul 27, 2019 | Gage Gay | Buckoff | 4.55s | 45.50 | — | Touring Pro Division - USA | Big Sky PBR |
| Jul 26, 2019 | Dener Barbosa | Buckoff | 6.09s | 46.50 | — | Touring Pro Division - USA | Big Sky PBR |
| Jul 22, 2019 | Cooper Davis (re-ride) | Buckoff | — | — | — | Unleash The Beast | LAST COWBOY STANDING |
| Jul 15, 2019 | Robert Zapata | Buckoff | 2.38s | 42.50 | — | Touring Pro Division - USA | Jackson Hole PBR |
| Jun 22, 2019 | Kyle Maxwell | Buckoff | 1.43s | 44.00 | — | Touring Pro Division - USA | Henson Manufacturing PBR Vinita 2019 |
| Mar 23, 2019 | Junio Quaresima | Buckoff | 3.73s | 42.75 | — | Unleash The Beast | CATERPILLAR CLASSIC |
| Mar 15, 2019 | Robson Aragão | Buckoff | 1.62s | 41.00 | — | Touring Pro Division - USA | Belton, TX PBR Touring Pro Division |
| Mar 1, 2019 | Silvano Alves | Buckoff | 3.58s | 42.25 | — | Unleash The Beast | BAD BOY MOWDOWN |
| Feb 1, 2019 | Luciano De Castro | Ridden | 8.00s | 40.50 | 82.00 | Unleash The Beast | EXPRESS RANCHES INVITATIONAL |
| Jan 4, 2019 | Esteban Bustamante Salcido | Buckoff | 4.66s | 43.50 | — | Touring Pro Division - USA | Ft. Worth, TX PBR Cowtown Classic |
| Nov 7, 2018 | Lachlan Richardson (re-ride) | Buckoff | 2.25s | 41.50 | — | 25th PBR: Unleash the Beast | 25TH PBR WORLD FINALS: UNLEASH THE BEAST |
| Nov 2, 2018 | Lucas Divino | Buckoff | 2.43s | 45.00 | — | Real Time Pain Relief Velocity Tour | Real Time Pain Relief Velocity Tour Finals |
Career Milestones
- Nov 2, 2018 First recorded out at Real Time Pain Relief Velocity Tour Finals.
- Nov 2, 2018 First 45-point out (45.00).
- Jul 26, 2019 First 46-point out (46.50).
- Sep 1, 2019 First 47-point out (47.00).
- Sep 1, 2019 Bucked off his 10th straight rider.
- Feb 28, 2020 25th recorded out.
Source: PBR Data API ride records for Viper. Derived figures (matchups, milestones) are calculated by WorldChampionBull from those records. About this data →