#59 John Diederich, Starting Pitcher, 23 yrs, Arizona Diamondbacks
Monday, 9/11/2028 |
 | Name :
Nickname :
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Age :
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Weight :
Position :
Bats :
Throws :
| John Diederich
7/13/2005
23
USA
6"1
185
Starting Pitcher
S
R
| Desire for Winner :
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Consistency :
Clutch Performance :
Injury Rating :
Prospect rating :
| Minimal
Average
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1 / 6 (Insignificant)
1 / 6 (Insignificant)
Good
GREAT
Normal
4.5 Stars
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Contract :
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Arbitration Eligibility :
| Big League Contract
$ 300,000
2028 (Automatic)
0 Year(s), 165 Days (165 total Days)
165 Day(s)
0 Year(s), 165 Days (165 total Days)
2 Year(s)
Not eligible
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| Pitching | Stuff | Control | Movement | Velocity |
| Overall | 6 | 8 | 8 | 88-91 Mph |
| Versus LHB | 6 | 8 | 7 | |
| Versus RHB | 6 | 9 | 8 | |
| Talent | 7 | 9 | 8 | |
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Pitching Ratings
Endurance :
Groundball Pct. :
Holding Runners :
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9
61
2
| | Pitches:
Fastball
Changeup
Curveball
Slider
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| Batting | Contact | Gap | Power | Discipline/Eye | Avoid K's |
| Overall | 1 | 3 | 1 | 3 | 1 |
| Versus LHP | 1 | 3 | 1 | 3 | 1 |
| Versus RHP | 1 | 3 | 1 | 3 | 1 |
| Talent | 1 | 3 | 1 | 3 | 1 |
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Running & Bunting Ratings
Running Speed :
Stealing Ability :
Sacrifice Bunt :
Bunt for Hit :
Hitter Type :
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4
4
5
1
Spray Hitter
| Fielding Ratings
P : 4 (Range), .925 (Fielding Pct.)
Catcher Arm : 1
Outfield Arm : 2
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| Overall | G | GS | W | L | SV | ERA | IP | HA | R | ER | BB | K | CG | CG% | SHO | QS | QS% |
| Overall | 28 | 28 | 9 | 9 | 0 | 3.73 | 176.0 | 186 | 86 | 73 | 43 | 107 | 1 | 3.6 | 0 | 17 | 60.7 |
| Projected | 32 | 32 | 10 | 10 | 0 | 3.73 | 200.0 | 212 | 98 | 83 | 49 | 122 | | | | | |
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| Overall | SVO | BS | SV% | RA | GF | R/9 | H/9 | K/9 | BB/9 | RL | RLS | RLS% | IR | IRS | IRS% | ERC |
| | 0 | 0 | .0 | 0 | 0 | 12.2 | 9.5 | 5.5 | 2.2 | 13 | 4 | 30.8 | 0 | 0 | .0 | 3.87 |
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| | AB | H | 2B | 3B | HR | RBI | R | BB | K | SF | SH | HP | AVG | OBP | SLG | OPS |
| vs. LHB | 305 | 87 | 9 | 3 | 10 | 39 | 39 | 24 | 42 | 0 | 0 | 3 | .285 | .341 | .433 | .774 |
| vs. RHB | 385 | 99 | 20 | 4 | 6 | 41 | 47 | 19 | 65 | 0 | 0 | 7 | .257 | .300 | .377 | .677 |
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| | G | GS | W | L | SV | ERA | IP | HA | R | ER | BB | K |
| Home | 19 | 19 | 6 | 5 | 0 | 3.08 | 125.2 | 133 | 54 | 43 | 24 | 76 |
| Road | 9 | 9 | 3 | 4 | 0 | 5.36 | 50.1 | 53 | 32 | 30 | 19 | 31 |
| This Week | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.0 | 0 | 0 | 0 | 0 | 0 |
| Last Week | 1 | 1 | 0 | 1 | 0 | 7.72 | 4.2 | 7 | 5 | 4 | 2 | 5 |
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| Month | G | GS | W | L | SV | ERA | IP | HA | R | ER | BB | K |
| March/April | 5 | 5 | 3 | 1 | 0 | 3.27 | 33.0 | 33 | 12 | 12 | 6 | 21 |
| May | 5 | 5 | 2 | 1 | 0 | 4.40 | 28.2 | 34 | 18 | 14 | 11 | 15 |
| June | 6 | 6 | 1 | 3 | 0 | 3.89 | 41.2 | 44 | 21 | 18 | 10 | 22 |
| July | 5 | 5 | 2 | 0 | 0 | 2.25 | 36.0 | 28 | 11 | 9 | 6 | 25 |
| August | 5 | 5 | 0 | 3 | 0 | 5.87 | 23.0 | 34 | 18 | 15 | 8 | 14 |
| Sept./Oct. | 2 | 2 | 1 | 1 | 0 | 3.29 | 13.2 | 13 | 6 | 5 | 2 | 10 |
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| Year | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | SHO | WHIP | BABIP | Teams |
| 2028 | 28 | 28 | 9 | 9 | 0 | 3.73 | 176.0 | 186 | 86 | 73 | 16 | 43 | 107 | 1 | 0 | 1.30 | .300 | ARI |
| Total | 28 | 28 | 9 | 9 | 0 | 3.73 | 176.0 | 186 | 86 | 73 | 16 | 43 | 107 | 1 | 0 | 1.30 | .300 | |
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Career Minor League Pitching Stats |
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| Year | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | SHO | WHIP | BABIP |
| 2026, AA | 6 | 4 | 3 | 0 | 0 | 4.05 | 26.2 | 28 | 13 | 12 | 2 | 13 | 26 | 0 | 0 | 1.54 | .351 |
| 2027, AAA | 25 | 15 | 6 | 5 | 0 | 4.26 | 107.2 | 124 | 53 | 51 | 10 | 41 | 86 | 1 | 1 | 1.53 | .350 |
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Career Postseason Pitching Stats |
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| Year | G | GS | W | L | SV | ERA | IP | HA | R | ER | BB | K | CG | SHO |
| Total | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Year | G | AB | H | 2B | 3B | HR | RBI | R | BB | K | SB | CS | AVG | OBP | SLG | OPS | Teams |
| 2028 | 27 | 56 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 23 | 0 | 1 | .054 | .054 | .071 | .125 | ARI |
| Total | 27 | 56 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 23 | 0 | 1 | .054 | .054 | .071 | .125 | |
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| Position | G | GS | PO | A | DP | TC | E | PCT | INN | RANGE | PB | RSTA | RTO | RTO% |
| Pitcher | 28 | 28 | 6 | 31 | 5 | 40 | 3 | .925 | 176.0 | 2.05 | | | | |
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Drafted in 2nd round, 58th overall pick, by Arizona in 2026...
Injured on 5/2/2027 with a Tight Shoulder, out for 6 days...
Injured on 6/19/2027 with a Ruptured Tricep Tendon, out for 4 weeks...
Injured on 9/3/2027 with a Strained Elbow Ligament, out for 9 weeks...
Earned first career win on 4/8/2028...
Had first career hit on 5/5/2028, off Gabriel Alvarado (CLE)...
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| Pitching Leader Boards Appearances |
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