Every year, someone goes nuclear after the All-Star break.
Sometimes it's obvious.
More often, the signs are hiding beneath the surface.
For this article, I looked at recent wOBA vs. xwOBA to identify superstar hitters whose underlying contact quality suggests they're capable of an even bigger second half.
A higher xwOBA than wOBA doesn't guarantee a breakout.
But it often means a hitter deserves better results than they've actually received.
Here are five stars who could make serious MVP pushes over the final two months.
Yordan Alvarez
wOBA: .439
xwOBA: .475
Difference: +.036
Yordan Alvarez already looks like one of baseball's best hitters.
The scary part?
Statcast believes he's been even better.
His .475 expected wOBA is absurd.
Very few hitters in baseball combine elite bat speed, plate discipline and quality of contact the way Alvarez does, and when those underlying numbers continue outpacing actual production, more damage usually follows.
If Houston stays in the playoff race, don't be surprised if Alvarez forces himself into the AL MVP conversation.
Bobby Witt Jr.
wOBA: .353
xwOBA: .389
Difference: +.036
This hasn't been the explosive season fantasy managers expected.
But Bobby Witt Jr. continues to hit the baseball much harder than his results suggest.
The combination of elite athleticism, power, speed and improving contact quality gives him arguably the highest ceiling on this list.
If the underlying metrics begin translating into box-score production, Witt has the ability to carry fantasy teams for two months.
James Wood
wOBA: .416
xwOBA: .437
Difference: +.021
James Wood doesn't need much help.
He's already one of baseball's breakout stars.
Yet his expected numbers suggest he hasn't reached his ceiling.
Few hitters produce this combination of raw power, patience and contact quality at such a young age.
The league has already noticed.
The MVP conversation could be next.
Pete Alonso
wOBA: .355
xwOBA: .377
Difference: +.022
Pete Alonso's raw power never disappeared.
The expected metrics suggest the home-run totals may not fully reflect how well he's actually hit the baseball.
His underlying contact quality continues grading well above league average, and history says hitters with Alonso's barrel profile rarely stay quiet for long.
If a few more fly balls leave the yard, another monster power stretch could be coming.
Shohei Ohtani
wOBA: .402
xwOBA: .416
Difference: +.014
Even Shohei Ohtani has room for positive regression.
That feels almost unfair.
The gap isn't as large as some of the other names on this list, but when an MVP-caliber hitter continues producing better quality of contact than his results indicate, fantasy managers should pay attention.
Ohtani doesn't need a huge improvement.
A small one could make him baseball's most dangerous hitter over the final two months.
Final Thoughts
None of these players need to "break out."
They're already stars.
That's what makes this list so intriguing.
Every hitter here has produced better expected contact quality than actual offensive production , suggesting there may still be another level available during the second half.
MVP races are often decided by who catches fire after the All-Star break.
The underlying metrics suggest these five hitters are positioned to do exactly that.