Players / Player profile
SF · P

Blade Tidwell

Age 25 B/T R/R 6′3″, 244 lb USA MLB debut 2025
40-man FV 45 · #7 in org
  • San Francisco’s roster as it stands late-inning relief · 68 IP · 0.3 WAR in the role
  • Injured list Ended 2026 on the 60-day IL: Right UCL sprain (since Sep 22)
Keystone Stuff 98 43rd pct
2026 fWAR 0.4
Projected 2027 WAR 0.5 at 100 IP · 0.3 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 959 pitches

Keystone Stuff 98 Keystone Stuff: 98, 43rd percentile
Keystone Location 91 Keystone Location: 91, 23rd percentile
Keystone Pitching 89 Keystone Pitching: 89, 12th percentile
Run value (xRV) −0.20 Run value (xRV): −0.20, 32nd percentile
Strikeout % 19.6% Strikeout %: 19.6%, 29th percentile
Walk % 8.9% Walk %: 8.9%, 49th percentile
Whiff % 23.1% Whiff %: 23.1%, 32nd percentile
Chase % 24.6% Chase %: 24.6%, 3rd percentile
Fastball velo 94.4 Fastball velo: 94.4, 51st percentile
Extension 6.5 ft Extension: 6.5 ft, 54th percentile
56.2 IP4.45 ERA4.74 FIP 39° arm1 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →4SSTSISLCHCU
RHP · arm angle 39° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Four-seam33% use33%95.116.6+7.4899718%−0.76
Sweeper32% use32%82.55.5−13.81139734%+1.35
Sinker17% use17%93.110.0+15.7889810%−1.62
Slider9% use9%88.03.7−4.21028224%−2.17
Changeup4% use4%83.45.7+11.41016515%−0.12
Curveball4% use4%83.4−8.9−4.1939027%+2.74
Weak pitch to watch

Four-seam grades 89 with below-average expected results; his sweeper grades 113. The best case is against righties: the sweeper is worth +1.0 runs per 100 pitches more, 1.3 standard errors (152 and 122 pitches), short of the 2 needed. No mix change until it clears.

Weak pitch to watch

Sinker grades 88 with below-average expected results; his sweeper grades 113. The best case is against lefties: the sweeper is worth +1.4 runs per 100 pitches more, 1.6 standard errors (152 and 76 pitches), short of the 2 needed. No mix change until it clears.

Most similar pitchers

Pitches like Tidwell: same hand, shape, slot and mix

SimilarityPlayerStuff’26 WAR’27 proj2027
55Ryan Gusto MIA · ’99971.01.1—
55Reynaldo López ATL · ’94940.61.0Signed $8.0M
48George Kirby SEA · ’981012.52.6Arb
47Luis Severino ATH · ’941050.71.3Player option $22.0M
44Kyle Bradish BAL · ’961001.51.7Signed $10.0M

Same-handed pitchers nearest on fastball velocity and shape, arm angle, extension, pitch mix, secondary shapes, Stuff, whiff rate and workload. 2026 regulars only.

Pitch locations · 2026

Where each pitch finishes, by batter side

Four-seam 37%
47% zone
Sweeper 28%
55% zone
Sinker 14%
53% zone
Slider 8%
48% zone
Changeup 8%
17% zone

Where each pitch finishes, catcher’s view. The bar marks the batter’s side; the box is an average strike zone. Pitches with 40+ thrown to this side.

Contract & projection

Club control (RosterResource) · Keystone projected WAR

2027 0.5 WAR —
2028 0.5 WAR —
2029 0.5 WAR —
2030 0.5 WAR —

Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AAAAAASacramento River Cats251672 IP 72 IP · 4.38 ERA · 24.6% K · 11.0% BB
2025AAAAAASacramento River Cats242197 IP 97 IP · 3.62 ERA · 27.3% K · 9.1% BB

FanGraphs: FV 45 · ETA 2026. Public pitch tracking exists only at Triple-A and some Florida State League parks.

Keystone is an independent portfolio project. It is not affiliated with Major League Baseball or any club. Data: MLB Stats API, Baseball Savant, FanGraphs. Used under their terms for individual, non-commercial use.