Daily Missed Calls Information Page

Home page app

The homepage app displays 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 away from the nearest edge of the individual batter's strike zone. The Output Box (9) below provides the umpire's name, pitch location, distance missed, and worst call ranks both daily and all-time(since 2014). The charts at the bottom (11-14) provide addtional daily information regarding Umpires, Pitchers, Batters and Teams.

1 = 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.

2 = Scoreboard. The scoreboard is a reoccuring theme on UmpTracker.com, providing specific game-time information for a selected pitch.

3 = Home Icon. Clicking the Home Icon anywhere in website will return you to the home page.

4 = Contact Icon. Clicking the Contact Icon anywhere in website will take you to the Contact Page where you can send UmpTracker a message.

5 = 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.

6 = Apps Icon. Clicking the Apps Icon anywhere in website will reveal a drop down menu of all Apps on UmpTracker, with exception of the app on the Home Page. Just click the Home Icon or Logo to return to the home page.

7 = Output Box Icons.

= Umpire

= Grid Location

= Distance Missed

= 24hr Rank

= All-Time Rank(since 2014)

8 = Title and Date Box. Displays the date of the pitches included in the Missed Call Plot(10).

9 = Output Box. Provides the umpire's name, pitch location, distance missed, and worst call ranks both daily and all-time(since 2014).

10 = Missed Call Plot. Is a plot of all the missed calls from the specified date given in the title (8). Each pitch is represented by a red or green dot. The red dot = a pitch called a ball and a green dot = a pitch called a strike. This info is also represented in the plot legend. Select any pitch in the plot to gather information from the Soreboard (2) and Output Box (9).

11 = Distanced Missed Slider. The Slider can be used to subset the pitches in the Missed Call Plot (10) by distance missed (in inches).

12 = Umpires Tab. The Umpires tab displays the all-time rank (since 2014) of each umpire's overall performance on the date given in the title(8). For example, a ranking of 655 is interpreted as, "the 655th best umpired game since 2014".

13 = Pitchers Tab. The Pitchers tab shows how the previous days missed calls impacted individual pitchers. The graph shows the expected runs given to the top and botom 5 pitchers. For more info on how expected runs given is calculated please email us at UmpTracker@gmail.com.

14 = Batters Tab. The Batters tab shows how the previous days missed calls impacted individual batters. The graph shows the expected runs given to the top and botom 5 batters. For more info on how expected runs given is calculated please email us at UmpTracker@gmail.com.

15 = Teams Tab. The Teams tab shows how the previous days missed calls impacted each of the teams. The graph shows the expected runs given to each of the teams that played. For more info on how expected runs given is calculated please email us at UmpTracker@gmail.com.

Additional info about Umptracker

What does UmpTracker monitor?

Only called balls and strikes, all pitches not swung at (taken).

Where does UmpTracker get the Data?

All of the data is gathered from the MLB gameday PITCHf/x database thanks to the R package pitchRx, written by Carson Sievert.

What is PITCHf/x?

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

Who created UmpTracker?

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

UmpTracker@gmail.com