The aluminum myth: the “dead” ball that flew 400 feet

Every time someone points out that the numbers of Cuban baseball in the '80s and '90s were manufactured with aluminum bats, the defense answers with the same line:

“Yes, but the ball didn't carry as much. It evened out.”

We went and asked the men who were on the field.

The pitcher says the ball was lively. The slugger admits it carried more than the ball used with wood.

And when real wooden bats arrived, the numbers collapsed.

Case closed.

By Eliam Marrero Bernal

There's a little verse Cuban fans recite every time the conversation gets uncomfortable.

Someone mentions that the stratospheric averages of the '80s and '90s were hit with aluminum, the bat that doesn't break, forgives a flawed swing and launches the ball farther, and the answer comes automatically:

“Yes, but our ball didn't carry as much. It evened out.”

It's the myth within the myth: the dead ball that balanced the scales.

And it has a problem: on this channel we interview the protagonists, and the protagonists refute it.

Starting with the perfect witness.

The pitcher's testimony

If anyone had an interest in that ball being dead, it was the man standing on the mound.

Lázaro Valle suffered through aluminum like nobody else, and he boasts, rightly, that opponents hit just .239 off him in that era, an extremely tough number to post.

And do you know how he describes the ball they were trying to tear apart against him?

“Aluminum was very tough. It was something really difficult, because the ball was lively. Even on low pitches, sometimes even on a reaching swing, the ball would just go.”

Read that carefully:

The ball was lively.

Even low pitches, even reaching swings, and the ball would go.

That's the pitcher talking: the one man on the field whose prestige grows if the ball was a bouncy freak, because it makes his .239 all the more impressive.

He doesn't need to lie, and he doesn't.

The slugger's confession

Now the witness against his own interest.

Juan Carlos Millán reached 100 home runs in four years with that aluminum.

If anyone has an incentive to swear the ball was dead, to protect his numbers, it's him.

I asked him directly how lively that ball was, the Batos No. 2 the games were played with, and his answer was honest in a way that does him credit:

“The Batos 2 carried more than the first ball they brought in with the wooden bat.”

That's where the verse died.

The era's own slugger acknowledges that his ball was livelier than the next era's.

What is true, and I remember it because I grew up with that baseball, is that there was a Batos that didn't carry: the No. 4.

That one was used for practice.

The games were played with the No. 2.

The myth took the practice ball and dressed it up as the game ball.

In fairness to that generation, Millán also made the defense's best argument, and I include it here because this file hides nothing:

“The aluminum bat helped, but there were 200 athletes playing, and of the 200 only about 50 hit .300. And the others, why didn't they hit, if it was the aluminum bat for them too?”

It's a fair point: aluminum didn't turn anyone into a star.

But it muddles the argument.

Nobody says aluminum manufactured talent. We say it inflated the talent's numbers.

Aluminum doesn't make a bad hitter bat .300; it makes the guy who would hit .310 with wood hit .380, and it turns the catchable line drive into a ball off the wall.

It raises everyone's ceiling, and the great ones' ceiling went into the stratosphere.

The full interviews with Lázaro Valle, Juan Carlos Millán, Gabriel Pierre and other protagonists of this series are available on our channel.

Watch all the interviews →

1999: the experiment nobody wanted to run, and it ran itself

The beautiful thing about this myth is that there's no need to theorize, because history ran the experiment for us.

In 1999, Cuba retired the aluminum bat and brought in wood.

Same players, same stadiums, same pitching. Only one variable changed.

The result?

An offensive collapse the protagonists themselves remember with amazement.

Millán, who lived through the transition, recalls that first wood-bat season:

“When they brought in the wooden bat, the one who set the record was Correa, who hit ten home runs.”

Ten home runs led the league.

In a league where, with aluminum, the sluggers were hitting thirty-something.

Gabriel Pierre completes the picture: that first ball of the wood era was so dead that

“They had to bring in the Rawlings to be able to play with it.”

They had to import an American ball so that Cuban offense would look like itself again.

If aluminum and wood were equivalent, as the myth swears, changing the bat wouldn't have moved the needle.

The needle didn't move: it fell off the gauge.

The .400 averages, or the mathematical proof

And here's the comparison that puts everything on a planetary scale.

In the major leagues, the best baseball in the world, with the greatest hitters in history parading through it, nobody has hit .400 since Ted Williams in 1941.

More than eight decades.

Gwynn tried, Brett, Carew, the monsters of every generation, and none of them could do it.

In real baseball, .400 is a practically unreachable frontier.

And in aluminum-era Cuba?

Omar Linares, all by himself, had seven seasons above .400.

Seven.

And he wasn't alone up there: averages of .400-plus were spread around the league as if they were normal.

There are two ways to read that.

The myth's way: that league had hitters so far superior to the majors' that they routinely did what Ted Williams did once.

Or the physics way: a metal bat that doesn't break, with a bigger sweet spot and more exit velocity, against pitching that wasn't big-league caliber, produces video-game numbers.

One of those readings requires believing that people hit better in Pinar del Río than in Cooperstown.

The other just requires honesty.

The verdict

None of this takes an ounce of talent away from that generation. Valle threw 100 mph with any ball, and Linares's swing was beautiful with any bat.

What this file buries is the use of those numbers as evidence of superiority: averages and home runs manufactured with a tool professional baseball bans precisely because it distorts the game, and with a ball that, in the words of its own protagonists, was lively.

Aluminum was Cuban baseball's legal steroid.

And like all doping, it didn't create the greats.

It just inflated their statues.

This article is part of our series on the myths of Cuban baseball. Also read: The myth of the invincibles, Linares or Gurriel? and The myth of Germán Mesa. The interviews cited are available in full on our YouTube channel.