
#43 RP · Diamondbacks
Height
5'11"
Weight
195 lbs
Age
31
College
N/A
Experience
8 yrs
Bats/Throws
R/R
Grade this player:
| Year | Team | GP | ERA | W-L | K | WHIP | IP | SV |
|---|---|---|---|---|---|---|---|---|
| Career | ![]() | 204 | 3.556266 | 19-13 | 242 | 1.2621484 | 0.0 | 9 |
Length
1 year
Total Value
$1.5M
Guaranteed
$900K
AAV
$1.5M/yr
Jonathan Loaisiga's public perception sits at a steady B-, a sentiment reading that frankly outpaces his on-field standing but reflects the modest goodwill that comes with simply being on a roster rather than off one. The defining narrative around the 31-year-old is one of diminished market value and career revival — he arrived in Arizona on a minor league deal after departing the Yankees, and the media framing has been relentlessly functional: factual, neutral, and largely uninterested in projecting him as anything beyond bullpen depth. That framing aligns squarely with his C- performance grade, which confirms he's operating as a below-average reliever at this stage rather than a stabilizing force in the back end. The headlines that generated any traction focused less on Loaisiga himself and more on the Diamondbacks' roster construction — his Opening Day inclusion was treated as an organizational footnote, not a signing of consequence. Arizona has continued adding bodies across the roster throughout late April and early May, cycling through multiple position players and pitchers, which further dilutes any individual attention Loaisiga might otherwise receive. With the Diamondbacks sitting at .500 and currently on the outside of a playoff spot in the National League West, there's no narrative oxygen for a journeyman depth piece — his story is one of professional survival, not resurgence, and the perception around him is likely to stay right where it is unless his actual performance forces a rewrite.
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Jonathan Loaisiga is a veteran in his 8th MLB season listed at RP for the Diamondbacks. 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 Jonathan Loaisiga: Contract Value Index D+, Performance C-, Sentiment B-, 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.
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