n=1253 near this checkpoint
Keider Montero
Why he matters right now
Keider Montero is top-10 in the majors in WHIP
He is 5th in WHIP at 0.99 — placements on MLB's own season boards, which rank every QUALIFIED pitcher in the sport rather than the few dozen this site tracks. Qualified is MLB's own bar, and it is the reason a part-season player with a big number is not on these boards at all.
This has been his headline for 14 straight days.
The case in 30 seconds
- 0.99 5th in WHIP at 0.99 on MLB's season leaderboards MLB season leaderboard (the league's own top-10 board of qualified players, not this site's roster)
- 3.24 ERA over 139 innings, with 92 strikeouts, 22 starts and a 0.99 WHIP snapshot pitching board — the union of MLB's top-10 pitching boards, then MLB's 1.0 IP per team game rule applied; not the league's full qualified pool
The honest caveat
The open question is workload. He is at 139 innings over 22 starts; the same rate to the end of the season means roughly 162. Velocity and innings both have to hold, and neither is guaranteed — this page reports what the measurements say, not what a medical staff knows.
What to watch next
Next up: at Cleveland Guardians.
Every claim above, with its source (2)
- 5th in WHIP at 0.99 on MLB's season leaderboards MLB season leaderboard (the league's own top-10 board of qualified players, not this site's roster)
- ERA over 139 innings, with 92 strikeouts, 22 starts and a 0.99 WHIP snapshot pitching board — the union of MLB's top-10 pitching boards, then MLB's 1.0 IP per team game rule applied; not the league's full qualified pool
The evidence
What to watch next
Announced to start at Cleveland Guardians.
Situational splits
| Split | IP | ERA | SO | WHIP | AVG against |
|---|---|---|---|---|---|
| vs RHP | 61.1 | — | 48 | 0.90 | .205 |
| vs LHP | 77.2 | — | 44 | 1.07 | .210 |
| Home | 85.1 | 3.38 | 49 | 1.10 | .236 |
| Away | 53.2 | 3.02 | 43 | 0.82 | .161 |
| Day | 65.2 | 3.02 | 37 | 0.91 | .197 |
| Night | 73.1 | 3.44 | 55 | 1.06 | .218 |
2026 season, MLB Stats API. A split with no plate appearances is omitted rather than shown as zeroes.
Strikeout chase
| Chase | Current | Pace | Needed from here | Status |
|---|---|---|---|---|
| 200 K | 92 | 107 | 108 K · 23.5 per outing over 4.6 left | IMPOSSIBLE |
| 250 K | 92 | 107 | 158 K · 34.3 per outing over 4.6 left | IMPOSSIBLE |
| 300 K | 92 | 107 | 208 K · 45.2 per outing over 4.6 left | IMPOSSIBLE |
| 350 K | 92 | 107 | 258 K · 56.1 per outing over 4.6 left | IMPOSSIBLE |
| 383 K | 92 | 107 | 291 K · 63.3 per outing over 4.6 left | IMPOSSIBLE |
ERA & WHIP finish lines
| Finish | Current | Required rest-of-season | Status |
|---|---|---|---|
| Sub-2.00 ERA | 3.24 | -5.48 over about 23 innings | IMPOSSIBLE |
| Sub-1.75 ERA | 3.24 | -7.24 over about 23 innings | IMPOSSIBLE |
| Sub-1.50 ERA | 3.24 | -9.00 over about 23 innings | IMPOSSIBLE |
| Sub-1.00 WHIP | 0.99 | 1.04 | ON PACE |
| Sub-0.90 WHIP | 0.99 | 0.34 | EXTREME |
Recent game log
Derived nightly from the snapshot ledger — each row is the difference between consecutive days; multi-day rows are labeled.
| Date | Opp | Result | IP | K |
|---|---|---|---|---|
| 2026-08-18 | Pittsburgh Pirates | L 1-4 | 5.0 | 3 |
| 2026-08-13 | Cleveland Guardians | W 3-0 | 6.1 | 0 |
| 2026-08-07 | San Francisco Giants | L 2-5 | 6.0 | 5 |
| 2026-07-27 | Baltimore Orioles | L 5-8 | 4.1 | 1 |
| 2026-07-17 | Los Angeles Angels | W 2-1 | 3.1 | 5 |
| 2026-07-08 | Athletics | W 6-1 | 1.2 | 1 |
Recent highlights
Lahman + Retrosheet context
How this season fits history
Chase history
Stuff watch
Four-seamer velocity, start by start
Every start's average against his own trailing baseline of 94.3 ± 0.56 mph. Ringed dots sit more than one standard deviation under the baseline; last start 94.22 mph (2026-08-02).
No active signals — inside one standard deviation of his own baseline. A trend report, not a diagnosis.