Umpire Strike Zone Comparison

Zone 2 app

The homepage app is an interactive plot of all the missed calls from the prior day's games. The default upon opening the app is the worst call of the day as measured in inches of the batters strike zone. The Output Box (9) below gives the details of any pitch selected in the plot. The charts at the bottom (11-14) give addtional information regarding Umpires, Pitchers, Batters and Teams.

1 = Home Icon. Clicking the Home Icon anywhere in website will return you to the home page (Daily Missed Calls App).

2 = Contact Icon. Clicking the Home Icon anywhere in website will take you to the Contact Page where you can send Umptracker a message.

3 = Info icon. Clicking the Info Icon anywhere in website will take you to the Infomation Page of the app you are visiting. The info page provides information and instruction for using the current app.

4 = Apps Icon. Clicking the Apps Icon anywhere in website will reveal a drop down menu of all Apps on UmpTracker except the Home Page App (Daily Missed Calls App). Just click the Home Icon or Logo to return to the home page.

5 = UmpTracker Logo. The UmpTracker logo is also a home page link. Clicking the UmpTracker logo anywhere in website will return you to the home page (Daily Missed Calls App).

6 = Input Box Umpire.

7 = Title and Heat Map Scale Box.

8 = Umpire Strike Zone Heat Map.

9 = Called Strike Probability Output Box.

10 = Summary Output Box.

Additional info about Umptracker

What does UmpTracker monitor?

Only called balls and strikes, all pitches not swung at by the batter.

Where does UmpTracker get the Data?

All of the data is pulled and updated every 5 minute from Pitchf/x.

What is Pitchf/x?

PITCHf/x is a pitch tracking system, created by Sportvision, and is installed in every MLB stadium since around 2006.

Who created UmpTracker?

The UmpTracker apps and website are the creation of Brad Alberts. For more information on Brad, click the Linkedin Icon on the bottom of any page.

UmpTracker@gmail.com