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The Rundown
SlateHittersPitchersNRFI1st PitchMatchup HistoryStreaksStolen BasesPark FactorsFlight Sim
←Aug 22Aug 23Aug 24→Today
30 pitchers · 15 games

MLB

Pitchers for Sunday, August 23, 2026

New here?

How to Read This Page

K%, Whiff%, CSW% & Matchups explained
▶

Reading the Table

Each row is a probable starter. The stat columns describe how he misses bats; the OPP columns describe how strikeout-prone today's opponent is.

  • K% / Whiff% / CSW% / SwStr% — the pitcher's strikeout, whiff, called+swinging-strike, and swinging-strike rates for the selected window. This is the pitcher axis — how good he is at missing bats.
  • OPP K-RANK / OPP K% — how much the opposing lineup strikes out (rank 1 = most strikeout-prone). A favorable matchup pairs a high-K pitcher with a high-K opponent.
  • Lineup K — a grade of how exploitable today's specific 1–9 is for strikeouts, given the pitcher's best pitches. This is the opponent axis, separate from K%: read K% for the arm, Lineup K for the spot. A weak-K pitcher against a genuinely K-prone lineup still grades high. Runs 0–100, with most spots landing ~15–82; 50 = league-average — red is a tough strikeout matchup, green a soft one. ● = confirmed lineup, ◐ = projected. Follows the window filter (L7/L15/L30 use a recent-form read; L60/Season use the full year).
  • K Bats — a nine-segment bar, one per hitter in batting order, each colored by that hitter's matchup Score (the same colors as the Score column when you open a row). It shows how many soft bats and how deep they are: six shallow targets read pale, five deep ones flash bright. That's why Lineup K — which weights depth, not a raw count — can rank five deep-vulnerable bats above six borderline ones. Read the bar for the shape, Lineup K for the ranking.

Click a Row

Click any row to expand a detail panel underneath. Click the same row again to collapse.

  • Recent starts — last 3 / 5 / 10 / season starts with K / BB / ER / ERA
  • vs RHH / vs LHH splits — K%, Whiff%, CSW%, SwStr% for the chosen window
  • Lineup Read — the batter-by-batter version of Lineup K: each hitter's tier (K Target / Lean / Average / Low K), a 0–100 matchup Score, his season K%, his K pitch, and the overlap-vs-league edges (whiff / chase / putaway…). The K-pitch cell is the scored pitch (putaway-based); when a hitter's nastiest swing-and-miss pitch is a different one, it shows as a small whf line below — flavor, not scored. Sortable — tap any header. K Target rows are tinted so the soft bats pop. Toggle to a Full Team view or to that team's recent games.
Filter by Game

Filters

Pitcher Games
Opp Days
Matchup
Opp Stats
Card Stats
Visible stats (7 of 8)

Rank mode: #1 = the most strikeout-prone offense in the league (best matchup).(highest rate → the best matchup for the pitcher); the higher the number, the tougher the offense. Ranked out of all 30 teams. With vs Hand selected, each team is ranked across the league vs that same hand (its rank vs RHP or vs LHP).

2:15 PM
SFTrent Harris(R)▶
@ BOSBOS
—●401/9——
2:15 PM
BOSJake Bennett(L)▶
vs SFSF
—●492/9——
3:10 PM
LADBlake Snell(L)▶
vs PITPIT
—●585/9——
3:10 PM
PITCarmen Mlodzinski(R)▶
@ LADLAD
—●614/9——
K%
17%20%22%26%30%
CSW%
25%27%28%30%32%
WHIFF%
19%22%25%28%31%
SWSTR%
9%11%12%14%15%
OPP K%
17%20%22%26%30%
OPP K-RANK
#30#22#15#8#1

Click any column header to sort. Click a row to open the pitcher detail.

About the MLB Pitchers board

The starting pitcher board for the slate: strikeout outlook, pitch arsenal, and the specific lineup each arm has to work through. It treats a start as a matchup against nine hitters rather than a single season-long rate.

How to read it

Strikeout columns describe how often a pitcher misses bats and how that projects against the order he faces, with the per-batter read available underneath. Arsenal detail breaks a pitcher into his individual pitches — usage, velocity and results — so a fastball-heavy start against a lineup that punishes fastballs reads differently from the same pitcher’s season line. Velocity drift markers flag an arm throwing harder or softer than his own baseline.

Where the numbers come from

Pitch-level tracking data aggregated by pitcher and pitch type, joined onto the confirmed or projected lineup for that game. Rates are computed over true at-bats, so walks, hit-by-pitches and sacrifices are excluded from strikeout denominators rather than quietly deflating them.

Who it's for

For strikeout and pitcher research and any decision that depends on which side of a matchup has the advantage. The lineup read is the part that separates a good matchup from a good pitcher.

What the MLB stats mean
PA / ABPlate appearances and at-bats. Every trip to the plate is a plate appearance; walks, hit-by-pitches and sacrifices do not count as at-bats.
AVGBatting average — hits per at-bat.
SLGTotal bases per at-bat, so a double counts double a single.
ISO
therundown.gg · Data Refreshed Aug 24, 4:31 AM
Extra-base power — extra bases per at-bat, with singles taken out.
wOBAOne number for overall hitting value. Unlike batting average, it counts a home run more than a double and a double more than a walk.
xBA / xwOBAThe "expected" versions of those stats, based on how hard and at what angle the ball was hit rather than whether it happened to drop in for a hit. Good for spotting a hitter who is hitting the ball well without the results yet.
EVExit velocity — how fast the ball leaves the bat, in mph.
HH%Hard-hit rate — share of batted balls struck at 95 mph or harder.
BRRL% / BarrelShare of batted balls hit hard AND at the angle that most often goes for extra bases. The most productive kind of contact.
K% / BB%How often a hitter strikes out or walks, as a share of the batters faced.
Whiff%How often hitters swing and miss, out of all their swings.
SwStr%How often any pitch thrown gets a swing and a miss.
GB% / LD% / FB%Share of batted balls that stay on the ground, are line drives, or go in the air.
Pull%Share of batted balls hit to the batter’s power side.
Grades (A+ to F)A letter grade for the matchup, A+ being the strongest. Separate grades cover home runs, extra-base hits and hits.
Form tagA read on the last one to two weeks. SURGE is hottest and FREEZE is coldest; PWR and HH+ flag power and hard contact specifically.

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