What Roger Clemens's 2005 Season Would Look Like in 1927
What would Roger Clemens's 2005 season look like if he pitched in 1927 instead? Below, his real 2005 line sits beside a cross-era translation into 1927's run environment — and a live slider lets you drop that season into any year in MLB history.
Roger Clemens — 2005 (real)
Translated to 1927
Why the translated ERA looks better (lower): 1927 was a lower-offense run environment than 2005 (league ERA 4.29 → 4.08), so every pitcher's ERA scales down. It does not mean Roger Clemens would dominate modern hitters more — it is the same pitcher re-based to a lower-scoring league.
What this translation does not account for
This is a model, not a prediction. It re-expresses only Roger Clemens's rate stats against 1927's league run environment — and nothing else. It does not account for the depth of competition (integration, international talent, a vastly larger athlete pool), pitch velocity, modern pitch arsenals (sliders, splitters, sweepers), strength and conditioning, or in-game adjustments and advanced scouting.
So a higher translated line means 1927 was simply a higher-offense era — not a claim that Roger Clemens would actually perform better against today's pitching.
Rate Stats: Real vs. Translated
These rate stats are re-expressed by holding Roger Clemens's performance relative to his league constant and re-basing it on 1927's averages (the same idea behind OPS+/ERA+).
| Stat | 2005 (real) | 1927 (modeled) |
|---|---|---|
| ERA | 1.87 | 1.78 |
| WHIP | 1.01 | 1.05 |
Counting Stats (2005, as played)
| Wins | 13 |
| Losses | 8 |
| Games | 32 |
| Games Started | 32 |
| Strikeouts | 185 |
| Shutouts | 0 |
| Complete Games | 1 |
| Innings | 211.1 |
Why counting totals aren't translated: scaling a counting stat by the league environment ratio massively over-inflates era outliers — e.g. a 1920s slugger's home runs would balloon to absurd modern totals. So home runs, RBI, wins, strikeouts and the like are shown exactly as Roger Clemens produced them.
Verdict
This is a model, not a prediction. In 1927, Murderers' Row and the first great live-ball offense — a run environment easier to pitch in than 2005's (league ERA 4.29 → 4.08) — one reasoned way to express Roger Clemens's 2005 season is roughly a 1.78 ERA and 1.05 WHIP. That holds his dominance relative to his league constant and re-bases it on 1927's averages; it is not a claim that Roger Clemens would actually post those numbers. His counting totals (13 W, 185 K) are shown exactly as he pitched them, because scaling counting stats across eras wildly inflates outliers.
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Roger Clemens in Other Eras
View Roger Clemens's full profile → · Browse all era translations →