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The Ball Isn't Bouncing Evenly: MLB's wOBA-xwOBA Luck Rankings

Statcast's batting-luck signal says the Tigers and Angels can't buy a hit, while the Rays keep finding grass.

Statcast's expected weighted on-base average, xwOBA, strips away fielding alignment, ballpark quirks, and plain old fortune to estimate what a team's offensive output should look like based on exit velocity, launch angle, and sprint speed. The gap between actual wOBA and xwOBA is, in essence, a batting-luck meter. A negative number means a lineup is hitting the ball well and getting punished for it. A positive number means the baseball gods are feeling generous.

We are deep enough into the 2026 season for these numbers to stabilize. Here is where every team falls on the spectrum, from most cursed to most blessed.

Most Cursed by wOBA-xwOBA

1. Detroit Tigers - No team in baseball has been more snakebitten at the plate. The Tigers own the largest negative wOBA-xwOBA gap in the majors, meaning their quality of contact consistently outruns their results. Line drives find gloves. Hard grounders find shifts. The exit velo says one thing; the box score says another.

2. Los Angeles Angels - The Angels sit right behind Detroit with the second-worst wOBA-xwOBA split. Their offense has felt stagnant all summer, and Statcast suggests the stagnation is at least partially fictional. The contact quality is there. The outcomes are not.

3. Pittsburgh Pirates - Pittsburgh's young hitters rank third in negative batting luck. For a franchise trying to identify which prospects are ready, the noise in their results is an evaluation headache as much as a competitive one.

4. San Francisco Giants - Oracle Park has never been kind to right-handed power, but the Giants' wOBA-xwOBA gap goes beyond park effects. Their batted-ball data paints a more competent offense than the one showing up on the scoreboard.

5. Washington Nationals - The Nationals round out the cursed five. Their lineup has underperformed its contact quality all season, a quiet drag on a team trying to prove its rebuild is ahead of schedule.

Five teams. All hitting the ball better than their stat lines suggest.

Most Blessed by wOBA-xwOBA

1. Tampa Bay Rays - Tampa leads baseball in positive wOBA-xwOBA variance. Their results have outpaced their contact quality by the widest margin in the sport. Whether that is smart baserunning, fortunate BABIP sequencing, or both, the Rays are cashing in on batted balls that, by the underlying data, probably should not be falling.

2. Cincinnati Reds - The Reds hold the second-largest positive split. Great American Ball Park helps, but not this much. Their offensive numbers carry a surcharge that Statcast does not think they have fully earned.

3. Philadelphia Phillies - Philly's potent lineup ranks third in positive batting luck. The Phillies are genuinely good. They have also been genuinely fortunate.

4. San Diego Padres - San Diego checks in fourth. Their offense has been praised all summer, and rightly so, but a slice of the production is running on borrowed time.

5. Houston Astros - The Astros round out the blessed tier. Houston has a long institutional history of manufacturing offense through elite plate discipline and approach. Some of this year's margin, though, is just balls finding holes.

What This Tells Us

The spread from Detroit at the bottom to Tampa Bay at the top represents a significant chunk of offensive value, the kind of gap that looks like a talent difference in the standings but is largely noise in the data. Historically, wOBA-xwOBA is one of the most mean-reverting signals in baseball. Teams sitting at the extremes in August tend to drift back toward zero over the final two months.

For the Tigers and Angels, that is quiet encouragement. For the Rays and Reds, it is a gentle warning.

None of this changes the standings today. But MLB luck rankings built on Statcast data have a decent track record of previewing which offenses are about to look mysteriously better, or worse, down the stretch. Regression does not knock. It just shows up.

MLB · Signal ranking
Batting luck (wOBA - xwOBA)
Every team ranked from most cursed (top, red) to most blessed (bottom, green) by this single isolated signal.
1
Tigers
0.000
2
Angels
0.000
3
Pirates
0.000
4
Giants
0.000
5
Nationals
0.000
6
Mets
0.000
7
Rockies
0.000
8
Red Sox
0.000
9
Dodgers
0.000
10
Yankees
0.000
11
White Sox
0.000
12
Cubs
0.000
13
Mariners
0.000
14
Brewers
0.000
15
Marlins
0.000
16
Braves
0.000
17
Royals
0.000
18
Cardinals
0.000
19
Athletics
0.000
20
Orioles
0.000
21
Guardians
0.000
22
Twins
0.000
23
Blue Jays
0.000
24
D-backs
0.000
25
Rangers
0.000
26
Astros
0.000
27
Padres
0.000
28
Phillies
0.000
29
Reds
0.000
30
Rays
0.000
Cursed (below league average) Blessed
Source: CURSD CLS
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