mlb

How will San Diego implement new ABS system?

Peoria, AZ - February 18: Luis Campusano #12 of the San Diego Padres waits for a throw during a spring training practice on February 18, 2026 in Peoria, AZ. (Photo by K.C. Alfred / The San Diego Union-Tribune via Getty Images)

The 2026 MLB season is finally upon us and, with it, one of the sport’s newest major rule changes since commissioner Rob Manfred took up the mantle in 2015. The ABS (automated ball-strike system) is here.

As with many rule changes, fans of the sport are divided over it, but it’s here to stay. Because of that, teams will have to spend Spring Training figuring out a strategy for how to use the rules to their advantage. How will the San Diego Padres utilize this system in their clubhouse?

San Diego’s strategy

New Padres manager Craig Stammen offered some thoughts this week on the introduction of the system into MLB. “I want… to use at least [the] first challenge not with two out and nobody on but save it for a key situation,” Stammen said. This has been the prevailing idea for ABS with the majority of MLB clubs. 

It’s worth wondering whether or not that philosophy will cause challenges to be hoarded by teams and end up unused (when they could have been in situations that may not have been deemed important enough to warrant it at the time). If teams go in without a strategy for utilizing the new system, they’ll get left behind, and San Diego cannot afford to lose ground on their opponents before the season even starts. 

Behind the dish

That’s what makes one particular position so fascinating to look at when it comes to this new system. The catcher has, by far, the best view of the strike zone, as well as (hopefully) the greatest comprehension of what is and is not in the zone. My guess is that catchers will be given far more leeway than other players when it comes to challenging these calls.

In yesterday’s opener to Spring Training, Padres catcher Luis Campusano challenged two called balls and got both challenges correct, turning them into strikes (one of which resulted in a strikeout of Seattle Mariners star catcher, Cal Raleigh). It will be interesting to see how much, if any, value is added to the catcher position because of this system.

It’s possible that this added value affects the catcher race between current starter Freddy Fermin, Campusano and minor-league pickup Blake Hunt. After only one game played, time will tell.

There “will be strategies we come up with as we go through Spring Training,” Stammen said. “We’ll need to see who is good at it and who is not… that will be part of it. There should be some revoking of people’s challenge opportunities.”

As Spring Training continues on, will we see some players challenge less because of their poor knowledge of the zone? Will others challenge more often because they have it down? One thing’s for sure: pitchers will not be challenging. 

What about the guy on the mound?

It’s an important and fair question. Why would pitchers not be trusted to challenge? A former pitcher himself, Stammen said “Pitchers are very trustworthy. However, they’re highly emotional while pitching. And they’re also the farthest away from the strike zone… [they] will have limited opportunities to challenge.” A lot of that makes sense. It’s likely that pitchers are liable to trust their stuff and still be wrong about the call. 

That being said, pitchers are probably going to want to challenge the call, but they will likely be stopped from doing so. The Padres would be wise to avoid this as well. It’s easy to get heated in the moment on what you think is a bad call when, in reality, it’s off the plate.

The takeaway

With all that still to be solved before spring wraps up, it’s certain now that – love it or hate it – ABS is here to stay for the ‘26 season (and likely beyond). It’s impossible to ignore that robust knowledge of the strike zone already added value to players, this rule change just makes it more tangible. 

Instead of simply being upset about a call batters know is bad, and being forced to protect by swinging at a bad pitch, the hitter can now take the at-bat into his own hands and change the outcome. It’s a wonderful merge of accurately calling games and maintaining the human component of the game we all love. 

Nothing’s set in stone for the Friars now, but it’s important a strategy is formed in the weeks leading up to Opening Day. Otherwise, they’ll find themselves floundering without a way to use this new aspect of the game to their advantage.

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