
#47 RP · Marlins
Height
6'2"
Weight
215 lbs
Age
31
College
N/A
Experience
6 yrs
Bats/Throws
L/L
Grade this player:
| Year | Team | GP | ERA | W-L | K | WHIP | IP | SV |
|---|---|---|---|---|---|---|---|---|
| Career | ![]() | 225 | 3.6911392 | 17-14 | 176 | 1.3556962 | 0.0 | 0 |
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.
| Date | OPP | Result | AB | H | R | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|
| Fri, 5/8 | vs WAS | L 2-3 | - | - | - | 0 | - | - | - |
| Mon, 5/4 | vs PHI | L 0-1 | - | - | - | 0 | - | - | - |
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John King is a player in his 6th MLB season listed at RP for the Marlins. FanVerdicts maintains four independent grades for every MLB player on an active roster — Contract Value Index for the deal itself, Performance for on-field production, Sentiment for media and fan reaction, and Fan Verdict for community voting. Current grades for John King: Contract Value Index C-, Performance C, Sentiment D, Fan Verdict pending.
Every grade refreshes on its own cadence as new data lands. Performance recalculates when MLB game stats post; Sentiment updates with new media coverage and fan discussion; Contract Value Index recomputes when contract terms change; Fan Verdict reflects live community voting on this profile. Contract details below show the structure (years, total value, average annual value, guarantees) the Contract Value Index grade is computed against.
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.
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.
| Sun, 5/3 | vs PHI | L 2-7 | - | - | - | 0 | - | - | - |
| Wed, 4/29 | @ LAD | W 3-2 | - | - | - | 0 | - | - | - |
| Wed, 4/29 | @ LAD | W 2-1 | - | - | - | 0 | - | - | - |