Like most in his profession, Jim Summers goes largely unnoticed. That doesn’t mean he and his brethren aren’t invaluable to the teams that employ them. When it comes to day-to-day preparation, they are the rock stars of baseball’s video age.
Summers is the video coordinator for the Houston Astros. If a player or coach needs a frame-by-frame breakdown of a pitching delivery or a swing, he’s the go-to guy. Need to know how much a slider is breaking or which pitch an opposing slugger is hammering? He has the answer.
Summers is — in his own words — “a traveling video library.”
——
Summers on the responsibilities of a video coordinator: “What I do is track every pitch thrown by us and against us. I track the pitch type, pitch speed, pitch location, where the ball was hit and how hard it was hit. Everything is categorized, marked and data-based. We track between 45,000 and 60,000 pitches each year. I then help the advance scouts by loading the games from the rest of the league. Basically, I’m a traveling video library.
“We get our video from TVTI. The data comes from Inside Edge, which sends us their comma-separated vector files, or CSV files. Those are integrated into a program called BATS, which is made by Sydex Sports and owned by Mike Phillips. I think 28 of the 30 teams use it.
“Here, with the Houston Astros, we have our own group of people doing statistics. I believe we will eventually do all of our own statistical inputs and outputs. We have one of the best decision science departments around. Sig Mejdal and the guys can really break things down, and because it’s a science it’s not subject to human prejudice.”
On how the data is used:
Read the rest of this entry »