2025 Stats
W-L
2-1
ERA
3.79
WHIP
1.05
K
34
SV
1
Rest-of-Season Projections
2025 Fantasy Outlook
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. Read Past Outlooks
Next start pushed back
Nelson's next start is expected to be Tuesday against Atlanta, Alex Weiner of Arizona Sports reports.
ANALYSIS
Nelson was in line to start Sunday's series finale against the Nationals, but Arizona is moving Corbin Burnes up the rotation to make that start on regular rest. The move means two extra days of rest for Nelson, who threw a season-high 84 pitches over 6.2 scoreless innings Monday against Pittsburgh. Nelson will continue to fill in for as long as needed while Eduardo Rodriguez (shoulder) works his way back from the IL. Rodriguez, who threw 55 pitches in a simulated game last Saturday, is expected to throw in the Arizona Complex League on Friday. It's unclear if that ACL game will be his lone rehab start or if more will be needed.
Nelson was in line to start Sunday's series finale against the Nationals, but Arizona is moving Corbin Burnes up the rotation to make that start on regular rest. The move means two extra days of rest for Nelson, who threw a season-high 84 pitches over 6.2 scoreless innings Monday against Pittsburgh. Nelson will continue to fill in for as long as needed while Eduardo Rodriguez (shoulder) works his way back from the IL. Rodriguez, who threw 55 pitches in a simulated game last Saturday, is expected to throw in the Arizona Complex League on Friday. It's unclear if that ACL game will be his lone rehab start or if more will be needed.
Pitching Stats
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2025
2024
2023
2022
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
50
Last 10 Games
52
Last 5 Games
59
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+
What part of the game does Ryne Nelson generally pitch?
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 2023
-6%
BAA vs LHP
2025
-21%
BAA vs LHP
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2023vs Left | .258 | 115 | 60 | 158 | 21 | |||
| Since 2023vs Right | .275 | 141 | 31 | 185 | 23 | |||
| 2025vs Left | .177 | 15 | 7 | 11 | 2 | |||
| 2025vs Right | .225 | 19 | 4 | 18 | 1 | |||
| 2024vs Left | .243 | 58 | 20 | 70 | 10 | |||
| 2024vs Right | .288 | 68 | 14 | 85 | 7 | |||
| 2023vs Left | .294 | 42 | 33 | 77 | 9 | |||
| 2023vs Right | .276 | 54 | 13 | 82 | 15 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2023
-33%
ERA on Road
2025
-35%
ERA at Home
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2023Home | 5.74 | 1.47 | 144.1 | 6.5 | 2.4 | ||||
| Since 2023Away | 3.82 | 1.18 | 188.1 | 7.3 | 2.5 | ||||
| 2025Home | 3.13 | 0.96 | 23.0 | 7.8 | 2.0 | ||||
| 2025Away | 4.80 | 1.20 | 15.0 | 8.4 | 3.6 | ||||
| 2024Home | 4.52 | 1.26 | 65.2 | 7.3 | 1.5 | ||||
| 2024Away | 4.02 | 1.25 | 85.0 | 7.7 | 2.4 | ||||
| 2023Home | 8.25 | 1.92 | 55.2 | 5.0 | 3.7 | ||||
| 2023Away | 3.46 | 1.11 | 88.1 | 6.6 | 2.3 | ||||
| More Splits→ | View More Split Stats | ||||||||
Stat Review
How does Ryne Nelson compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 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 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
3.09K/9
8.1BB/9
2.6HR/9
0.7Fastball
95.7 mphERA
3.79WHIP
1.05BABIP
.262GB/FB
1.74Left On Base
67.0%Exit Velocity
83.6 mphBarrels/BBE
3.3%Spin Rate
2305 rpmBalls Hit 95+ MPH
22.0%Swinging Strike
9.7%Prospect Rankings History
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2024
2023
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.
More Fantasy News
Cruises to win, gets another start
Nelson improved to 2-1 on the season in Monday's 5-0 win over the Pirates, covering 6.2 scoreless innings and striking out four batters while allowing four hits and no walks.
ANALYSIS
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Confirmed for another start
Nelson is slated to start Monday's game against the Pirates at Chase Field.
ANALYSIS
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Steady in return to rotation
Nelson allowed a run on three hits and a walk while striking out two over five innings in a no-decision versus the Dodgers on Tuesday.
ANALYSIS
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Rejoining rotation next week
Nelson will re-enter the Arizona rotation as a replacement for the injured Eduardo Rodriguez (shoulder) and is expected to make his next start Monday or Tuesday versus the Dodgers in Los Angeles, Alex Weiner of ArizonaSports.com reports.
ANALYSIS
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Back in bullpen Saturday
Nelson struck out one over two perfect innings to earn the save in Saturday's 3-0 win over the Dodgers.
ANALYSIS
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Latest Fantasy Rumors
Potential trade chip?
Nelson could be a trade target this offseason, reports Will Sammon and Patrick Mooney of The Athletic.
ANALYSIS
The Diamondbacks have a bevy of starting pitching, and Nelson could be a fit for teams looking to trade for a cost-controlled starter. The right-hander had a 4.24 ERA, 1.25 WHIP and 126:34 K:BB across 150.2 innings during 2024 and is under team control for four more seasons.
The Diamondbacks have a bevy of starting pitching, and Nelson could be a fit for teams looking to trade for a cost-controlled starter. The right-hander had a 4.24 ERA, 1.25 WHIP and 126:34 K:BB across 150.2 innings during 2024 and is under team control for four more seasons.