There’s no one reason that you could point to that explains why the Cubs have gone 27-12 since their horrid first road trip. You could point to Javy Baéz’s continuous star turn, or the rotation exceeding even the loftiest expectations so far. You could point to Kris Bryant’s healthy shoulder, or Brandon Kintzler’s sinker -- like plenty of people have -- and you’d be right. What’s gone under-discussed, at least in the eyes of some, is just how good the Cubs’ outfield defense has been.

“Who doesn’t love defense?” Cubs manager Joe Maddon said earlier in the week. “This group here, when everyone’s on the field and the really good defenders are out there, it’s as tight as I’ve had. The difference being I think is that the outfield defense has gotten better in the last couple years here.”

The numbers back it up. MLB keeps a statistic called Outs Above Average (OAA) that tries to convey just how good an outfielder is vs. replacement level. For the Cubs, Albert Almora is doing much of the heavy lifting, as the center fielder is worth 4 OOA -- good for 4th best in baseball -- on his own. Jason Heyward is holding is own with 2 OOA so far, and Kyle Schwarber continues to struggle (-2 OOA). As a team, here’s how many Outs Above Average the Cubs have been worth since they started keeping track in 2016:

2016: 22 (2nd)
2017: - 7 (20th)
2018: 0 (14th)
2019, so far: 4 (6th)

 

“I think we’ve got a lot of great athletes on our team,” Almora said. “We’re playmakers and I think we have a great coaching staff that puts us in the right spots.”

Another useful metric that Statcast keeps track of is called Directional OOA. Basically, MLB designates six directions (front right/middle/left and back right/middle/left) and gauges which direction certain teams and fielders are best at running. Almora, at least this year, has been strongest running in and left:

That was on display yet again on Friday, when Almora broke in and left to rob Derek Dietrich in the second inning:

When asked, Almora admitted that he was surprised to learn that, instead thinking that he was better in and to the right. He’s not wrong, either: in each of the previous three seasons, Almora’s finished with the most OOA coming in and to the right.

“I think most [routes] are pretty instinctual to me,” he said. “I kind of sell out when it’s a little runner. Sometimes I dive and don’t get to it because in my mind I’m programmed to where, if it’s hit to me, I’ve got to catch it.”

Heyward, on the other hand, has been stronger to his right his year:

“I just think it’s about your position” Heyward added. “You can say someone is really good at one thing, but if they don’t get as many plays to this way, or that way, you don’t really know.

One interesting wrinkle about the Cubs’ outfield is that neither Schwarber, Almora or Heyward have been worth an Out Above Average going straight backwards, and generally haven’t been great going backwards in any direction. One explanation? Between an unforgiving brick wall and the outward-jetting net that sits on top of it, robbing homers basically isn’t possible at Wrigley. Knowing that drastically changes the read on fly balls.

“You know you’re not going to go back as hard,” Heyward said. “If someone hits the ball over your head, most likely it’s going to be a double if it’s off the wall. There’s definitely differences between here and and the next place.”

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