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Today's featured photo

I can feel those RPMs calling me.

Pitching Backward: What We Know About Spin Rate

by Jeff Long

Diving into the treasure trove of data finds as many questions as answers. > >

rssToday At Baseball Prospectus

Baseball Therapy: Bullpen Contagion

by Russell A. Carleton

Does an ugly blown save hurt a bullpen long after that game is lost? . . . more | 0 comments

Liner Notes: Self-Sabotage Stars

by Bryan Grosnick

J.D. Martinez and Michael Saunders lead a group of players who're their own worst enemies this season. . . . more | 3 unread comments

Flu-Like Symptoms: Giant Collapse

by Rob Mains

San Francisco's second-half free fall is one of the biggest in baseball history and it's hard to explain. . . . more | 0 comments

Prospectus Feature: The Joy of Adrian Beltre

by Kate Morrison

Adrian Beltre is a Hall of Fame player, but his impact goes beyond the numbers. . . . more | 1 unread comment

What You Need to Know: Dee Gordon and the Marlins Honor Jose Fernandez

by Daniel Rathman

A fitting tribue was paid to Jose Fernandez in Miami, Jean Segura keeps socking homers, St. Louis struggles, and Jonathan Schoop wears down. . . . more | 0 comments

Fantasy Article Closer Report: Week 26

by Matt Collins

Surveying the ninth-inning situations around the league for the final time in 2016. . . . more | 1 unread comment

Expert FAAB Review: Week 26

by Mike Gianella

A look at how the wise guys spent their money in expert leagues ahead of the final week. . . . more | 0 comments

Monday, September 26

Prospectus Feature: The Song of Jose Fernandez

by Mauricio Rubio

No one will forget Jose Fernandez, on or off the field. . . . more | 7 unread comments

Cold Takes: Steve Clevenger and the Media In Your Hand

by Patrick Dubuque

Steve Clevenger's tweets got him suspended by the Mariners, but the issue runs deeper than one backup catcher. . . . more | 6 unread comments

Prospectus Feature: The Comp-less Mike Trout

by Henry Druschel

What happens when a player is so good so young that there are no better versions against which to compare him? . . . more | 6 unread comments

Premium Article Raising Aces: Gray Matter

by Doug Thorburn

The Rockies may have finally found what they've been looking for. . . . more | 0 comments

What You Need to Know: How the West (and the East) Was Won

by Ashley Varela

Three teams clinch division titles, Clayton Kershaw throws his fastest pitch of 2016, and the rest of the weekend action. . . . more | 1 unread comment

Premium Article Monday Morning Ten Pack: Positive Impressions

by BP Prospect Staff

Notes on Mike Soroka, Alec Hansen, Magneuris Sierra, and more. . . . more | 0 comments

Fantasy Article Deep League Report: Week 26

by Scooter Hotz

Examining players who might pique your interest in deeper formats. . . . more | 0 comments

Friday, September 23

Retrospectus: Turning A New Pageview

by Ben Lindbergh

A story about Sam Miller and Ervin Santana. . . . more | 7 unread comments

What You Need to Know: All Mets'd Up

by Nicolas Stellini

The Mets win a game and move ahead in the wild card race, and more from Thursday's action. . . . more | 0 comments

Fantasy Article Fantasy Starting Pitcher Planner: Week 25

by Greg Wellemeyer

Helping you set your fantasy rotation for next week with a look at the two-start pitchers. . . . more | 1 unread comment

The Best of Sam Miller: An Illustrated Guide to the People of Citi Field

by Sam Miller

Classifying the fans you'll see in the stands at the World Series this weekend. . . . more | 0 comments

The Best of Sam Miller: Baseball's Paper Airplane Problem

by Sam Miller

Throwing paper airplanes is big at ballparks. Where did the planes come from, and what do they signify? . . . more | 1 unread comment

The Best of Sam Miller: Where the Pit Would Go If There Was a Pit

by Sam Miller

Someday, somebody will suggest fixing baseball by putting a pit on the field, and we will be prepared. . . . more | 1 unread comment

Thursday, September 22

Players Prefer Presentation: Short-Season Baseball With A Third Deck

by Meg Rowley

The Everett AquaSox played at Safeco Field, as two brands of baseball displayed an unusual Venn diagram. . . . more | 2 unread comments

Pebble Hunting: The Great Big 'Beat PECOTA' Wrap

by Sam Miller

The results of our preseason experiment in expectations and perception. . . . more | 5 unread comments

Two-Strike Approach: Jonathan Lucroy, Willing Cog

by Cat Garcia

The Rangers added a star catcher at the trade deadline, but Lucroy just wants to help out however he can. He has! . . . more | 0 comments

Premium Article The Call-Up: A Triplet of Padres

by Christopher Crawford, Mauricio Rubio and Greg Wellemeyer

A breakdown of Hunter Renfroe, Manuel Margot, and Carlos Asuaje. . . . more | 0 comments

Eyewitness Accounts: September 22, 2016

by BP Prospect Staff

Eyes on Anderson Espinoza, Josh Morgan, Jairo Beras, and more. . . . more | 3 unread comments

Flu-Like Symptoms: A Matter of Luck, Pt. 2

by Rob Mains

The luckiest and unluckiest teams of the year and the era. . . . more | 6 unread comments

What You Need to Know: The Wild Card Wilters

by Demetrius Bell

While the division races get clear, the wild card race is left to the losers, and more from Wednesday's action. . . . more | 0 comments

BP Boston: The X Factor

by Matt Collins

As the Red Sox prepare to clinch the AL East crown, their shortstop's slump looms large in their October outlook. . . . more | 0 comments

The Best of Sam Miller: The 14 Heroes Of Sunday's Odor/Bautista Brawl

by Sam Miller

As you get older it is harder to have heroes, but it is sort of necessary. . . . more | 2 unread comments