In the world of Major League Baseball (MLB), the definition of a top-tier starting pitcher has become increasingly nuanced. While the term “No. 1 starter” was once used synonymously with being among the top 30 pitchers in the league, the label “true ace” now holds a distinct, elevated meaning.
This blog post dissects what it means to be a true ace, highlighting notable examples from the MLB, statistical benchmarks, and emerging talent on the cusp of greatness.
Understanding this distinction helps fans, analysts, and teams alike grasp the rare qualities that separate very good pitchers from the elite few who can carry their team to victory in the most crucial moments.
Understanding the Evolution: From No. 1 Starter to True Ace
The evolution of how top pitchers are defined underscores the ever-changing landscape of professional baseball.
Once, simply being among the top 30 starting pitchers was enough to earn the unofficial title of a “No. 1 starter.” This aligned neatly with the MLB’s 30 teams, implying each team boasted one pitcher who could be considered among the league’s best.
What Sets a True Ace Apart?
However, the modern idea of an ace goes beyond this basic measure. A true ace is defined by consistent dominance, reliability under pressure, and the ability to perform in high-stakes situations.
They’re the pitchers who not only deliver stellar regular-season numbers but elevate their game when it matters most—like the postseason.
Think of someone like Tarik Skubal, whose 18-4 record and 2.39 ERA from last season, coupled with standout playoff displays, embody the true ace criteria.
These numbers showcase not only statistical excellence but also clutch performances in pivotal matchups.
The Statistical Side: WAR and Beyond
Evaluating a pitcher’s worth often involves advanced analytics, with FanGraphs’ WAR (Wins Above Replacement) metric serving as a key tool.
WAR quantifies a player’s overall contributions compared to a replacement-level counterpart, offering a snapshot of their value to the team. But not all pitchers ranked in the top 30 by WAR meet the high bar for being an ace.
To illustrate, Brandon Pfaadt and Kevin Gausman both boast impressive stats but lack the consistency or dominance under pressure required to truly earn the label.
Case Studies: Wheeler and Burnes
True aces like Zack Wheeler and Corbin Burnes serve as benchmarks. These pitchers not only post top-tier stats but display a special ability to carry their teams in meaningful games.
Their performances consistently command respect from both opponents and fans, and they’re often the go-to choice for managers with everything on the line.
Factors Influencing Ace Status
While performance on the field is central to determining ace status, other considerations—like age and injury history—impact a pitcher’s ability to maintain this level of excellence.
For example, Chris Sale and Sandy Alcantara are undeniable talents, but past injuries have at times derailed their ace credentials.
Staying healthy and minimizing regression with age are vital components of sustaining a place in this elite category.
The Emerging Talent Pool
Looking ahead, the next generation of potential aces is already making waves.
Talented young pitchers like Paul Skenes and Spencer Strider have showcased flashes of brilliance, proving they can compete with the best. Yet, sustaining excellence across multiple seasons, especially in pressure-packed situations, is the true test of whether these rising stars can become bona fide aces.
The Rarity of True Aces
In reality, true aces are exceedingly rare, with fewer than 30 pitchers currently fitting this description across the entire league.
These are players who combine elite statistics with an ability to dominate when it matters most. Being a No. 1 starter is an admirable accomplishment, but being a true ace requires something extra—a level of dependability, dominance, and leadership that transcends typical achievements.
Key Differentiators of a True Ace
To summarize, here are the defining characteristics of a true ace:
- Elite Metrics: Top-tier stats like ERA, WHIP, and strikeout rates that consistently rank among the league’s best.
- Postseason Dominance: The ability to perform at a high level in high-pressure, meaningful games.
- Durability: Reliability and the ability to stay on the mound over multiple seasons.
- Leadership: A presence that instills confidence in teammates and strikes fear in opponents.
The Final Verdict
In MLB, the distinction between a No. 1 starter and a true ace highlights just how elite the latter group is.
While there are many good and even great pitchers, the ability to consistently dominate in both regular and postseason games separates the best from the rest.
As new talents emerge and established names continue to make their mark, the concept of the true ace remains as vital and compelling as ever—defining the pinnacle of excellence on the mound.
Here is the source article for this story: What makes an ace? The difference between MLB’s No. 1 starting pitchers and true aces
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