Roger Clemens played 24 seasons (1984–2007) for BOS, TOR, NYY and HOU. Career regular-season line: a 354–184 record, 4,672 strikeouts and a 3.12 ERA. Standard career, peaking in 1997. Led the league in a statistical category 3 times. Honors: 11× All-Star Selections and 7× Cy Young Awards.
Fan Rating
Rate Roger Clemens — All-Time
Sport-specific career totals from the active profile tables, with VAL shown whenever the sport has a value file.
24 seasons · peak 17.6 in 1997
VAL (Value Above League) measures each MLB season against that season's league; the dashed line is zero — a season that added nothing above the league's fringe. ● peak · ○ league-best season.
81.5 career wins over 24 seasons · 1 win = 2.61 VAL
Best season · 1997 · +6.8 wins
Latest season · 2007 · +1.4 wins
VAL 3.0 measures each part of a MLB player's game in his sport's own currency against what that season's fringe players produced, converted to team wins with rates fitted from every team-season in the encyclopedia.
Career milestones Roger Clemens reached that no other MLB player has — each claim is literally true and checkable.
How often Roger Clemens led or placed top-ten on a MLB season board, and the shape of the career — computed from the same per-season boards the year pages publish, so every number is checkable.
Black ink
3
league-leading seasons · 24 top-ten finishes
Career arc
Standard
A varied career arc that doesn't conform to a single pattern. Peak 1997, 24 rated seasons.
Season boards
24
top-ten finishes across the MLB season boards
Where Roger Clemens ranks on StatVault's all-time league-relative boards (park-unadjusted; 100 = league average that season).
Ranked against the single greatest era-translated seasons in every sport by z — robust standard deviations above Roger Clemens's own era's positional peers, the one dominance measure comparable across the NFL, NBA, NHL, and MLB.
The season chip above measures Roger Clemens's single best year. This measures the whole career: every rated season's standing against its own era's peers, summed. A season at the era median adds nothing and a below-median season subtracts — so this number is time spent above your era, not time served.
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Career boards only, within MLB
On the MLB Career Dominance board — top-25 in more than one all-time category at once.
Cross-sport prominence: 99.8th percentile among MLB careers — a within-sport percentile, because career value is not comparable across sports.
Wore 4 distinct franchise crests across 24 seasons (1984–2007) — a true nomad. The crest trail:
MLB Advanced — ERA+ & OPS+ LeadersMLB Age Milestones — Youngest to 1,000 Hits, 100 HR, 100 Wins and 1,000 KMLB Breakout Seasons — Biggest Career-High LeapsMLB Career Arc TypesMLB Career Dominance — top-25 in multiple all-time categoriesMLB Clutch Delta — Who Rises in OctoberMLB Compilers vs Comets — Career ShapeMLB Consistency Index — Mr. Reliable vs Boom-BustMLB Era-Adjusted Careers — Greatest Careers on One ScaleMLB Era-Adjusted Seasons — Greatest Seasons in Modern TermsMLB Franchise Mt. Rushmores — Four Faces of Every TeamMLB Greatest Single Seasons by VAL (Hitters and Pitchers)MLB Hall of Very Good — Great Careers on Cooperstown's DoorstepMLB JourneymenMLB League Leader Marks — Most League-Leading SeasonsMLB LoyaltyMLB Only Club — Statistical ExclusivityMLB Rarest Seasons — Statistical RarityMLB Statistical Snubs — Eligible Careers Cooperstown Has Not TakenMLB VAL Leaders — Value Above LeagueWho Was the Best MLB Player Each Year?Career Twins — Equally Dominant Careers Across Different SportsCross-Sport Era-Adjusted Careers — The Greatest Careers, One AxisCross-Sport Era-Adjusted Seasons — The Greatest Years, One Axis
Players whose careers had the same shape — total value, peak, best three-season stretch, length and when the value came — measured with VAL against their own leagues.
Bio, rosters, and year-by-year/career stat splits come directly from MLB's own official public StatsAPI.