A Trip To Baseball-Reference.com: Blue Jays And Their Low BABIPs

The Blue Jays' defense has contributed to low BABIPs for their pitchers this year. (Photo by Abelimages/Getty Images)

Last night I took a trip over to the great Baseball-Reference.com and poked around sort of aimlessly as I often do. I found that the Blue Jays' team statistics show that the are at the extreme low end of BABIP. Of course, it's only April 18 so I have to make the obligatory warning about small sample sizes, I would be intrigued to see what becomes of these numbers over the next month and I will probably follow up this post with another around May 18.

First, a quick primer to the newfangled statistic BABIP for those who are unfamiliar with it. BABIP stands for Batting Average on Balls In Play. In a nutshell, it is a quick determanent of "luck" for batters, even though there are other factors that go into that stat. Generally, Major League players have a BABIP between .290 and .310 and that is fairly consistent assuming that defense is fairly consistent across the league over the long run. The Fangraphs glossary states that most players who deviate far from that 20-point range is due to regress back to the mean. Our friend benk wrote a more detailed introduction to BABIP if you are interested in the details.








J.P. Arencibia



5.3 %

63.2 %

31.6 %

0.0 %

Jose Bautista



21.9 %

37.5 %

40.6 %

23.1 %

Colby Rasmus



29.0 %

32.3 %

38.7 %

0.0 %

Yunel Escobar



19.0 %

54.8 %

26.2 %

0.0 %

GB/FB: groundball to flyball ratio; LD: line drive; GB: ground ball; FB: fly ball; IFFB: infield fly ball (popup)

  • On the flip side, Jays pitchers are enjoying a BABIP of .220 so far this season.
  • The Jays have had some good defense, earning a .770 defensive efficiency rating (it is calculated slightly differently than BABIP but there is a luck factor in there too), good for 1st in MLB. The league average is .700 (which make sense, as BABIP average is .300).
  • Sort of unrelated to BABIP, but also cool: Jays starting pitchers are averaging 6.5 innings per start, good for 2nd in the Majors (Phillies are 1st with 6.6 IP). The league average is 5.9 IP.

I don't have the time to writer interpretations, so I'll throw it out to the community--what do you think of these ridiculous BABIP numbers?

Log In Sign Up

Log In Sign Up

Forgot password?

We'll email you a reset link.

If you signed up using a 3rd party account like Facebook or Twitter, please login with it instead.

Forgot password?

Try another email?

Almost done,

By becoming a registered user, you are also agreeing to our Terms and confirming that you have read our Privacy Policy.

Join Bluebird Banter

You must be a member of Bluebird Banter to participate.

We have our own Community Guidelines at Bluebird Banter. You should read them.

Join Bluebird Banter

You must be a member of Bluebird Banter to participate.

We have our own Community Guidelines at Bluebird Banter. You should read them.




Choose an available username to complete sign up.

In order to provide our users with a better overall experience, we ask for more information from Facebook when using it to login so that we can learn more about our audience and provide you with the best possible experience. We do not store specific user data and the sharing of it is not required to login with Facebook.