Ryne Nelson

Ryne Nelson

28-Year-Old PitcherSP
Arizona Diamondbacks
2026 Fantasy Outlook
Despite being the team's most consistent starter in 2024, Nelson was shifted to the bullpen in 2025 to make room for free agent Corbin Burnes. How fitting that Burnes' elbow surgery (and Tommy John surgery) got Nelson back into the rotation. The right-hander was a top pitcher on the staff for a second consecutive season. In 23 starts, Nelson pitched 128 innings with a 3.16 ERA and 1.08 WHIP. Arizona will commit to Nelson in the rotation to start 2026, as Burnes will be unavailable until at least the second half, and Zac Gallen rejected a qualifying offer. While Nelson's performed well as a starter the last two seasons, there are some warning signs. He's heavily reliant on his four-seamer (61.7 percent usage) and defense dependent (7.7 K/9). The next highest pitch was his cutter (12.2 percent). If he continues to locate the fastball (+23 Run Value), limit walks, and mix in more of the secondary offerings, Nelson could become more than a mid-rotation starter. Read Past Outlooks
RANKS
Rest of Season From Preseason
#262
ADP
Signed a one-year, $3 million contract with the Diamondbacks in January of 2026.
Rebounds with quality start
PArizona Diamondbacks
June 15, 2026
Nelson (3-5) tossed seven innings against the Angels on Monday, allowing two runs on nine hits and no walks while striking out five batters to earn the win.
Analysis
Nelson yielded seven runs over four innings against Miami in his previous start, but he bounced back nicely Monday. The right-hander started a bit shakily by giving up a run on two hits in the first frame, but the Angels crossed the plate only once more over the remainder of Nelson's time in the game. While Nelson registered a modest five punchouts, that was his highest mark since he struck out eight Rangers six starts ago. Nelson has a mediocre 4.97 ERA on the campaign and has experienced several blowups, but he also has six quality starts over his past eight outings, so he's still been useful in the right matchups.
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Pitching Stats
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2026 MLB Game Log
2026
2025
2024
2023
2022
2026 MLB Game Log
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2025 MLB Game Log
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2024 MLB Game Log
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2023 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
86
Last 10 Games
92
Last 5 Games
95
How many pitches does Ryne Nelson generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Ryne Nelson generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2024
 
 
-16%
BAA vs LHP
2026
 
 
-15%
BAA vs LHP
2025
 
 
-20%
BAA vs LHP
2024
 
 
-16%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .221 785 139 51 159 30 11 25
Since 2024vs Right .264 819 181 46 201 47 9 27
2026vs Left .229 186 27 11 39 6 2 10
2026vs Right .271 169 35 11 42 10 0 8
2025vs Left .191 285 54 20 50 6 5 5
2025vs Right .239 334 78 21 74 19 4 12
2024vs Left .243 314 58 20 70 18 4 10
2024vs Right .288 316 68 14 85 18 5 7
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2024
 
 
-11%
ERA at Home
2026
 
 
-2%
ERA at Home
2025
 
 
-36%
ERA at Home
2024
 
 
-11%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2024Home 3.82 1.16 197.2 11 6 2 7.1 1.9 0.9
Since 2024Away 4.30 1.20 190.1 9 8 0 7.8 2.6 1.5
2026Home 4.93 1.36 45.2 2 2 0 5.7 2.8 1.6
2026Away 5.02 1.09 37.2 1 3 0 7.9 1.9 2.4
2025Home 2.71 0.97 86.1 5 1 1 7.7 1.8 0.7
2025Away 4.26 1.20 67.2 2 2 0 7.7 3.2 1.3
2024Home 4.52 1.26 65.2 4 3 1 7.3 1.5 0.7
2024Away 4.02 1.25 85.0 6 3 0 7.7 2.4 1.3
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Stat Review
How does Ryne Nelson compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
2.82
 
K/9
6.7
 
BB/9
2.4
 
HR/9
1.9
 
Fastball
96.3 mph
 
ERA
4.97
 
WHIP
1.24
 
BABIP
.267
 
GB/FB
0.73
 
Left On Base
64.3%
 
Exit Velocity
84.1 mph
 
Barrels/BBE
6.4%
 
Spin Rate
2318 rpm
 
Balls Hit 95+ MPH
25.5%
 
Swinging Strike
9.6%
 
Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Ryne Nelson See More
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Past Fantasy Outlooks
2025
2024
2023
Nelson's improved strike-throwing ability in spring training earned him a spot in the Diamondbacks' rotation in 2024. He maintained that skill into the regular season and finished with 10 wins and the second-most innings among Arizona starters. The 26-year-old right-hander upped his strikeout rate to 20.0 percent (from 15.5 in 2023), moving from the sixth percentile to the 26th. An already good walk rate got better, while he shaved one run off his ERA (5.31 to 4.24) and cut down on home runs. In a promising sign, Nelson's performance improved deeper into the season, posting a 3.23 ERA and 28.7 K% over the second half. Still very much a two-pitch pitcher (fastballs and cutters), developing a third pitch might continue the righty's upward trajectory. There was enough development in his performance last year that he should not need to compete for a rotation spot in 2025, but Arizona signed free agent Corbin Burnes, which could push Nelson to the bullpen.
Nelson worked as a back-end starter for Arizona in 2023, but it was an underwhelming rookie campaign with a 5.31 ERA, 1.42 WHIP and 96:46 K:BB across 144 innings. His 7.4 percent walk rate was solid and consistent with his time in the minors, but he had a 15.5 percent strikeout rate and a 1.5 HR/9. He still made the postseason roster and had a minimal role prior to the World Series, when he allowed just one run over 5.1 frames of valuable long relief in Game 4. Despite that strong finish, Nelson likely won't enter 2024 with any guarantee for a rotation spot, especially since Arizona made additions in free agency. However, the right-hander still has plenty of upside and was encouragingly less reliant on his fastball last season, and he could be a solid back-end piece in 2024 if he's able to better utilize his secondary offerings.
Nelson's 2022 season was quite the roller coaster. He gave up 43 earned runs over a 53.1-inning stretch from mid-April to mid-June, righted the ship somewhat over the next couple months, excelled over three MLB starts and ended the season on the injured list with shoulder inflammation. His struggles in the hitter-friendly Pacific Coast League shouldn't be a prohibitive factor in his 2023 outlook, especially given that he had success at Double-A and in a small MLB sample. Nelson threw his plus fastball (touches 98 mph, excellent rising action) 70% of the time while mixing in a couple breaking balls and a changeup. He showed impressive flashes against quality big-league hitters and should break camp in Arizona's rotation if his shoulder issue is in the rearview mirror. There is some risk that his reliance on his fastball will be exploited as hitters see him a second time, but Nelson has legitimately good stuff and size (6-foot-3, 184 pounds) and a clear opportunity.
More Fantasy News
Tough outing in loss
PArizona Diamondbacks
June 10, 2026
Nelson (2-5) picked up the loss Wednesday, allowing seven runs on eight hits and one walk over four innings during the 8-0 loss against the Marlins. He struck out two.
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Tosses seven strong frames
PArizona Diamondbacks
June 5, 2026
Nelson allowed two runs on five hits and two walks while striking out three batters over seven innings in a no-decision against the Dodgers on Thursday.
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Hammered by Mariners
PArizona Diamondbacks
May 30, 2026
Nelson (2-4) allowed five runs (four earned) on seven hits and a hit batsman while striking out three and walking none over 5.1 innings, taking the loss versus the Mariners on Saturday.
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Lasts eight innings in second win
PArizona Diamondbacks
May 24, 2026
Nelson (2-3) earned the win Sunday, allowing one run on six hits and three walks over eight innings against the Rockies. He struck out three.
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Goes seven innings in no-decision
PArizona Diamondbacks
May 19, 2026
Nelson allowed three runs on eight hits and two walks while striking out three over seven innings in a no-decision versus the Giants on Tuesday.
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Latest Fantasy Rumors
Extension candidate?
PArizona Diamondbacks
December 21, 2025
Nelson is entering his first year of arbitration eligibility, which could prompt the Diamondbacks to pursue a contract extension, reports Jack Sommers of SI.com.
Analysis
The right-hander opened 2025 in a long-relief role but ended up starting in 23 of his 33 appearances since Corbin Burnes required Tommy John surgery in June. Nelson solidified his place in the rotation and finished the campaign with a 3.39 ERA, 1.07 WHIP and 132:41 K:BB across 154 innings. He's projected to make about $2.4 million in his first season of arbitration eligibility, per Jack Sommers of SI.com, but Arizona could instead look to secure his services long-term.
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