February 9, 2010

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About Josh Kalk

Josh Kalk comes to THT with a physics and math background. He is very interested in the strategy of baseball and games in general. He also maintains a baseball blog.


Choose year:  2010  2009  2008  2007  2006  2005  2004

Josh Kalk's Articles

Click here to view an RSS feed of this writer's articles.

2008

Pitching while injured: A case study with Ben Sheets

December 16, 2008
Before we can create a tool to identify injured pitchers, we have to study pitchers who are injured yet still pitching.

The engima that is Javier Vazquez

December 09, 2008
Did the Braves end up with an enormously talented front line pitcher or the headache Ozzie Guillen has been complaining about for the past few seasons?

Being Jamie Moyer

December 02, 2008
There are about a million soft-tossing lefties out there, but only one Jamie Moyer. What separates him from the pack?

Anatomy of a player: John Smoltz

November 25, 2008
This past season was mostly a lost one for John Smoltz and the Braves. Let's look at what he might have left for a 2009 campaign.

Another look at Tim Lincecum

November 18, 2008
Last week Tim Lincecum took home the Cy Young award. Here is another look at the overpowering right hander.

Anatomy of a player: Brett Myers

November 11, 2008
Myers was a key contributor in the Phillies' World Series run, but he needed a stint in Triple-A to get back to his previous form.

A peek at David Price

October 14, 2008
What does the rookie lefty bring to the table?

Anatomy of a player: Hiroki Kuroda

October 07, 2008
A look at the Japanese import who helped clinch the series for the Dodgers.

What to watch for in the National League Division Series

September 30, 2008
Some small things might play a big role.

Anatomy of a player: Scott Kazmir

September 23, 2008
A look at the lefty ace of the Rays.

How does release point affect a pitcher’s success?

September 16, 2008
It appears not to be as important as some think

Is CC Sabathia’s arm falling off?

September 09, 2008
So, is it?

Anatomy of a player: Josh Beckett

September 02, 2008
His sub-par year and his current elbow injury.

Anatomy of a player: Pedro Martinez

August 26, 2008
Does he have enough left in the tank to help the Mets hold on this year?

Knuckleballers unite

August 19, 2008
Some lesser-known pitchers who throw the flutter pitch.

Anatomy of a player: Gavin Floyd

August 12, 2008
Has Gavin Floyd finally become the starter he was predicted to be?

The remains of the season: Minnesota Twins

August 09, 2008
Can the Twins catch the White Sox and hang another pennant before moving to a new ballpark in 2010?

Powering up

August 07, 2008
A look at the West Virginia Power.

The remains of the season: Chicago Cubs

August 02, 2008
Can the Cubs break their nearly hundred years curse?

Doubling up

July 29, 2008
Is throwing two straight fastballs shoulder high a good thing?

Seeing Stars

July 22, 2008
Four Brewers prospects who could make a splash

THT Live: PITCHf/x now over 400,000 pitches tracked this year

July 20, 2008

Do relievers struggle if they throw multiple innings?

July 15, 2008
Throw everything you've got to a couple of batters, then leave. What happens when you stay in the game?

Anatomy of a player: Carlos Marmol

July 08, 2008
Is fatigue getting to the Cubs' young fireballer?

Anatomy of a pitch: Change up

July 01, 2008
Is there a limit as to how much of a speed differential a pitcher can have between his change up and fastball and still be effective?

A sneak peak at Tim Beckham

June 28, 2008
A front row seat to Tim Beckham's minor league debut.

THT Live: Who said I could spell?

June 27, 2008

THT Live: New MLB gameday features

June 26, 2008

Anatomy of a player: Zach Greinke

June 24, 2008
The Royals' ace has become one of the best.

Anatomy of a player: Phil Hughes

June 21, 2008
A look at what the young Yankee right hander throws.

What to pack for Denver

June 17, 2008
A guide to pitching at Coors.

THT Live: 2008 web based PITCHf/x tool is now available

June 11, 2008

How fatigue affects a pitcher’s fastball

June 10, 2008
PITCHf/x offers a new look at an old problem.

Anatomy of a player: Bronson Arroyo

June 03, 2008
A look at Arroyo's quirky delivery with PITCHf/x.

Preliminary aging curve for fastball speed

May 27, 2008
A look at how age affects pitchers' fastball speed using PITCHf/x data

Anatomy of a pitch: Slider

May 22, 2008
The inner workings of a slider, plus a few more words on curveballs.

Anatomy of a pitch: Curveball

May 14, 2008
A look at what attributes of a curveball makes it effective.

Anatomy of a player: Robinson Cano

May 06, 2008
A look at Cano's slow start this season

Anatomy of a player: Randy Johnson

April 29, 2008
At 44, Johnson has come back from the DL to pitch great in his first three starts. Here, with the help of PITCHfx, is how he's doing it

Do relief pitchers suffer from pitching back-to-back days?

April 22, 2008
How relief pitchers fare depending on the number of days they've had off

Anatomy of a player: Brian Bannister

April 15, 2008
Here's how he's getting the job done.

Off to a hot start

April 08, 2008
Four teams off on the right foot to start the season.

A first look at the 2008 Pitch f/x data

April 01, 2008
How Tim Hudson succeeded without his best stuff

Anatomy of a player: Jake Peavy

March 25, 2008
How the Padres star does it

Pitcher similarity scores (Part 2)

February 19, 2008
So how do we use this information—and what makes Mariano Rivera different?

Pitcher similarity scores

February 12, 2008
An attempt at grouping like pitchers together using PITCH f/x data.

Anatomy of a player: Bartolo Colon

February 05, 2008
Does Bartolo Colon have anything left in the tank? A closer look at the burly right hander.

Anatomy of a player: Prince Fielder

January 29, 2008
A look at Milwaukee's young slugger, Prince Fielder.

Anatomy of a player: league average pitcher Part 2

January 22, 2008
A look at league average breaking balls using PITCHf/x.

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