
#47 RP · Marlins
Height
6'2"
Weight
215 lbs
Age
31
College
N/A
Experience
6 yrs
Bats/Throws
L/L
Grade John King
Your grade joins the crowd-sourced Fan Verdict.
On the field, John King grades out as a middling RP for Marlins (C Performance). That places him 288th of 389 graded relief pitchers. The money matches the play — the Contract Value Index lands at C-, fairly priced. The public read is negative (D Sentiment), drawn from current news and social signal rather than the box score.
| Year | Team | GP | ERA | W-L | K | WHIP | IP | SV |
|---|---|---|---|---|---|---|---|---|
| Career | ![]() | 243 | 3.655582 | 19-15 | 185 | 1.3147268 | 0.0 | 1 |
| 2026 | ![]() | 29 | 2.30 | 3-1 | 20 | 0.66 | 27.1 | 1 |
| 2025 |
Length
1 year
Total Value
$1.5M
Guaranteed
$900K
AAV
$1.5M/yr
John King slots in as a below-average relief option at this stage, his C performance grade reflecting a pitcher who is contributing at the margins rather than anchoring a bullpen. There are no standout statistical strengths in his current profile that separate him from the pool of veteran depth arms, and the absence of any awards boost underscores that his 2026 campaign has not generated the kind of dominant stretches that move the needle. The concerning trend is the direction of his performance grade, which has cooled from a B- to a C- over the last 30 days, suggesting he is trending the wrong way rather than rounding into form. At 31 and in his sixth MLB season, King is squarely in the phase of a relief pitcher's career where the margin for inconsistency narrows and every rough outing carries more weight than it would for a younger arm. The media framing around his $1.5M AAV one-year deal tells you exactly how Miami is deploying him — he is organizational depth, a low-risk veteran added to absorb innings rather than to serve as a late-inning weapon the team builds around. The Marlins' recent roster activity, a string of additions at multiple positions over the past two weeks, paints the picture of a front office in active roster-churning mode at 13-14, and King fits that mold as a fungible piece rather than a protected asset. Unless his performance metrics reverse course in a hurry, his path to a more meaningful role here is narrow.
Other same-position deals the Contract Value Index also places in the C band — a quick read on where John's contract sits relative to comparable money.
John King ranks 288th of 389 graded relief pitchers by performance. That slots John between Philip Abner (C) just ahead and Andrew Morris (C) just behind.
Graded higher
Philip AbnerDiamondbacksCYaramil HiraldoOriolesCJordan LeAsureWhite SoxCGraded lower
Andrew MorrisTwins| Date | OPP | Result | AB | H | R | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|
| Tue, 6/16 | @ PHI | L 2-8 | - | - | - | 0 | - | - | - |
| Sat, 6/6 | vs TB | W 4-3 | - | - | - | 0 | - | - | - |
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John King is a player in his 6th MLB season listed at RP for the Marlins. FanVerdicts covers every MLB player, team, GM, and transaction — and puts your verdict on all of it. Sign in to cast your Fan Verdict on John King, see where the crowd lands, and argue the call. FanVerdicts also brings its own read — performance, sentiment, and Contract Value Index — as one honest input alongside the crowd's. Where FanVerdicts has weighed in so far: Contract Value Index C-, Performance C, Sentiment D.
The crowd's Fan Verdict moves in real time as fans vote on this profile. FanVerdicts' own read updates as new data lands — performance recalculates when MLB game stats post, sentiment shifts with media coverage and fan discussion, and the Contract Value Index recomputes when contract terms change. Contract details below show the structure (years, total value, average annual value, guarantees) behind the Contract Value Index read.
For league-wide context, the MLB hub has team rankings, GM report cards, the transactions feed, and live scoreboards. The MLB player rankings page sorts every active player by performance and contract value within their position.
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| 51 |
| 4.66 |
| 2-1 |
| 28 |
| 1.63 |
| 48.1 |
| 0 |
| 2024 | ![]() | 56 | 2.85 | 3-3 | 38 | 1.20 | 60.0 | 0 |
| 2023 | ![]() | 15 | 5.79 | 1-1 | 10 | 1.61 | 18.2 | 0 |
| 2023 | ![]() | 20 | 1.45 | 1-0 | 10 | 1.34 | 18.2 | 0 |
| 2023 | 35 | 3.62 | 2-1 | 20 | 1.47 | 37.1 | 0 |
| 2022 | ![]() | 39 | 4.03 | 1-4 | 30 | 1.46 | 51.1 | 0 |
| 2021 | ![]() | 27 | 3.52 | 7-5 | 40 | 1.15 | 46.0 | 0 |
| 2020 | ![]() | 6 | 6.10 | 1-0 | 9 | 1.65 | 10.1 | 0 |
Public perception around John King sits in negative territory right now, and that trajectory has only worsened over the last 30 days as sentiment has slid from an already-modest standing to its current D grade. The media framing around his one-year, $1.5M deal with Miami is textbook journeyman coverage — transactional headlines, no real buzz, and the clearest signal possible that he was signed to fill a left-handed specialist role rather than to move the needle in any meaningful way. To his credit, his on-field performance has been trending in the right direction, grading out at a C and improving over the same 30-day stretch where his public perception has declined — a disconnect that suggests the narrative has simply never caught up to whatever functional value he provides out of the bullpen. The one soft positive in the coverage is a Q&A feature that plays up his personality, offering the kind of human-interest color that tends to emerge when a club genuinely likes a guy in the clubhouse, even if the media at large views him as roster filler. Meanwhile, the Marlins have been active on the transaction wire — adding arms, reshuffling depth pieces, and bringing in other veteran contributors — which further dilutes whatever individual spotlight King might have claimed. Sitting at 16-20 and mired in a three-game losing streak, Miami's broader struggles aren't doing any individual reliever's reputation any favors. The bottom line: King is perceived as a functional, low-ceiling depth piece, and nothing in the current narrative suggests that characterization is about to change.
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