2025 Stats
W-L
0-3
ERA
4.62
WHIP
1.42
K
22
SV
2
Rest-of-Season Projections
Signed a one-year contract with the Diamondbacks in June of 2025.
Optioned to Triple-A
The Diamondbacks optioned Backhus to Triple-A Reno on Thursday.
Analysis
Backhus has appeared in 32 games out of Arizona's bullpen this season, recording a 4.62 ERA, 1.42 WHIP and 22:8 K:BB across 25.1 innings. He picked up his second save of the season in last Sunday's win over the Twins.
Backhus has appeared in 32 games out of Arizona's bullpen this season, recording a 4.62 ERA, 1.42 WHIP and 22:8 K:BB across 25.1 innings. He picked up his second save of the season in last Sunday's win over the Twins.
Pitching Stats
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2025 MLB Game Log
2025
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
13
Last 10 Games
11
Last 5 Games
12
How many pitches does Kyle Backhus 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 Kyle Backhus 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
-62%
BAA vs LHP
2025
-62%
BAA vs LHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .139 | 10 | 4 | 5 | 1 |
| Since 2023vs Right | .365 | 12 | 4 | 23 | 2 |
| 2025vs Left | .139 | 10 | 4 | 5 | 1 |
| 2025vs Right | .365 | 12 | 4 | 23 | 2 |
| 2024vs Left | 0 | 0 | 0 | 0 | 0 |
| 2024vs Right | 0 | 0 | 0 | 0 | 0 |
| 2023vs Left | 0 | 0 | 0 | 0 | 0 |
| 2023vs Right | 0 | 0 | 0 | 0 | 0 |
Home/Away Pitching Splits
Since 2023
-14%
ERA at Home
2025
-14%
ERA at Home
| ERA | WHIP | IP | K/9 | BB/9 | |
|---|---|---|---|---|---|
| Since 2023Home | 4.26 | 1.34 | 12.2 | 8.5 | 2.1 |
| Since 2023Away | 4.97 | 1.50 | 12.2 | 7.1 | 3.6 |
| 2025Home | 4.26 | 1.34 | 12.2 | 8.5 | 2.1 |
| 2025Away | 4.97 | 1.50 | 12.2 | 7.1 | 3.6 |
| 2024Home | 0 | 0 | 0 | 0 | 0 |
| 2024Away | 0 | 0 | 0 | 0 | 0 |
| 2023Home | 0 | 0 | 0 | 0 | 0 |
| 2023Away | 0 | 0 | 0 | 0 | 0 |
Minor League Left/Right Pitching Splits (AAA)
Since 2023
-17%
BAA vs LHP
2025
-26%
BAA vs LHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .208 | 43 | 13 | 22 | 1 |
| Since 2023vs Right | .250 | 43 | 21 | 40 | 5 |
| 2025vs Left | .222 | 16 | 3 | 8 | 1 |
| 2025vs Right | .300 | 20 | 7 | 18 | 0 |
| 2024vs Left | .196 | 22 | 9 | 10 | 0 |
| 2024vs Right | .214 | 16 | 9 | 15 | 4 |
| 2023vs Left | .211 | 5 | 1 | 4 | 0 |
| 2023vs Right | .233 | 7 | 5 | 7 | 1 |
Stat Review
How does Kyle Backhus 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
2.75K/9
7.8BB/9
2.8HR/9
1.1Fastball
91.0 mphERA
4.62WHIP
1.42BABIP
.336GB/FB
1.27Left On Base
69.2%Exit Velocity
81.2 mphBarrels/BBE
3.0%Spin Rate
2198 rpmBalls Hit 95+ MPH
24.6%Swinging Strike
9.1%Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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More Fantasy News
Converts second save
Backhus pitched a scoreless third of an inning, conceding a walk and a hit-by-pitch before collecting the save in Sunday's 6-4 victory over Minnesota.
Analysis
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Unable to hold lead
Backhus allowed two runs on two hits over one-third of an inning in Monday's 7-5 extra-inning loss to Texas.
Analysis
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Can't convert save Wednesday
Backhus (0-2) took the loss and was charged with a blown save against the Padres on Wednesday, allowing two runs on three hits while striking out one batter over one inning.
Analysis
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Earns first big-league save
Backhus allowed a hit and struck out two without walking a batter over two innings to earn the save in Monday's 6-2 win over the Padres.
Analysis
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Takes loss in ninth
Backhus (0-1) was the losing pitcher in Friday's 6-5 loss to the Angels. He allowed one run on two hits and hit a batter over one-third of an inning.
Analysis
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