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Jarrett Seidler 

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08-18

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Guarding The Lines: Here The Fastball Are Now Going To The South Side
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Jarrett Seidler

08-12

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DFA Podcast: Ep. 22: The One About The Mets
by
Bryan Grosnick, R.J. Anderson and Jarrett Seidler

08-11

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The Call-Up: Dominic Smith
by
Jarrett Seidler and Bret Sayre

08-10

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The Call-Up: Rhys Hoskins
by
Jarrett Seidler and Scooter Hotz

08-10

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Guarding The Lines: Prospects and Relative Valuation
by
Jarrett Seidler

08-02

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Transaction Analysis: Beckham Bounced to Baltimore
by
Collin Whitchurch, Jarrett Seidler and Greg Goldstein

08-01

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Transaction Analysis: Sonny in New York: Yankees Go Gray
by
Stacey Gotsulias, Jarrett Seidler, Javier Barragan and Steve Givarz

08-01

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The Call-Up: Amed Rosario
by
Jarrett Seidler and Wilson Karaman

07-31

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Transaction Analysis: Dave Dombrowski, Bullpen Buyer
by
Ben Carsley, Erich Rothmann and Jarrett Seidler

07-31

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Transaction Analysis: Jaime Garcia, Flipped
by
Aaron Gleeman, Jarrett Seidler and Javier Barragan

07-28

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The Call-Up: Erick Fedde
by
Jarrett Seidler and Wilson Karaman

07-21

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Guarding The Lines: A Song About Velocity
by
Jarrett Seidler

07-18

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Transaction Analysis: Stearns Goes Bargain Shopping
by
Colin Anderle, Aaron Gleeman, Jarrett Seidler and Nicholas Zettel

07-06

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2017 Prospects: Midseason Top 50: Ranking Sixto
by
Jarrett Seidler

07-06

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2017 Prospects: Midseason Top 50: What Does It Take To Be Number One
by
Jarrett Seidler

07-01

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The Call-Up: Clint Frazier
by
Jarrett Seidler and Wilson Karaman

06-30

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The Call-Up: Nick Williams
by
Jarrett Seidler and Bret Sayre

06-29

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The Call-Up: Dustin Fowler
by
Jarrett Seidler and Mike Gianella

06-29

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Transaction Analysis: The Florida Glove Exchange
by
Bryan Grosnick, Steve Givarz, Jeffrey Paternostro and Jarrett Seidler

06-26

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Guarding The Lines: Advancements vs. Blips
by
Jarrett Seidler

06-16

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Guarding The Lines: Waiting for the Thunder
by
Jarrett Seidler

06-06

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Guarding The Lines: Four Nights In Trenton With Gleyber Torres
by
Jarrett Seidler

05-25

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Guarding The Lines: The Grind
by
Jarrett Seidler

05-18

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Guarding The Lines: The Circus Came To Town
by
Jarrett Seidler

05-15

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The Call-Up: Ian Happ
by
Jarrett Seidler and Mark Barry

05-11

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3

Guarding The Lines: The Twos and Threes
by
Jarrett Seidler

05-04

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Guarding The Lines: The Alec Hansen Revival
by
Jarrett Seidler

05-03

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Flags Fly Forever Podcast: Ep. 131: Big Maple
by
George Bissell and Jarrett Seidler

04-27

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3

Guarding The Lines: Dr. Strangeglove or: How I Learned to Stop Worrying and Love Second Base Prospects
by
Jarrett Seidler

04-19

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Guarding The Lines: Deep Sixto
by
Jarrett Seidler

04-13

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Guarding The Lines: Left Behind
by
Jarrett Seidler

04-07

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Guarding The Lines: Aggressive Prospect Placements
by
Jarrett Seidler

03-29

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Guarding The Lines: The Pompey Zone
by
Jarrett Seidler

03-28

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Looking Back on Tomorrow: Philadelphia Phillies
by
Jarrett Seidler

03-23

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Looking Back on Tomorrow: New York Yankees
by
Jarrett Seidler

03-23

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Guarding The Lines: When It's Different But Still Great
by
Jarrett Seidler

03-18

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BP Mets
by
Jarrett Seidler

03-16

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Guarding The Lines: When Spring Matters
by
Jarrett Seidler

03-08

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Guarding The Lines: A Prospect Guy's Guide To The WBC
by
Jarrett Seidler

03-02

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Guarding The Lines: Bethancourt is in Season
by
Jarrett Seidler

02-20

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Prospectus Feature: Arbitration Clash
by
Jarrett Seidler

02-18

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BP Mets
by
Jarrett Seidler

12-22

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Transaction Analysis: Overstocked Red Sox Deal Buchholz
by
Bryan Grosnick and Jarrett Seidler

12-09

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PITCHf/ox: Episode 10: Don't Say it
by
Meg Rowley and Jarrett Seidler

12-08

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Transaction Analysis: Adam Eaton, Underrated No More
by
Jarrett Seidler, Adam McInturff, Mike Gianella and Matthew Trueblood

12-07

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28

Transaction Analysis: For Sale: Red Sox Prospects
by
Ben Carsley, Adam McInturff, Jarrett Seidler, George Bissell and Wilson Karaman

12-03

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PITCHf/ox: Episode 9: Scratched
by
Meg Rowley and Jarrett Seidler

11-19

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PITCHf/ox: Unstoppable Forces & Immovable Objects
by
Meg Rowley and Jarrett Seidler

11-11

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PITCHf/ox: Episode 7: San Francisco
by
Meg Rowley and Jarrett Seidler

11-04

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PITCHf/ox: Episode 6: Wear It
by
Meg Rowley and Jarrett Seidler

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Just be glad we didn't use a Cease-related pun.

During his talk at the 2017 edition of Saberseminar a couple weekends ago, Rick Hahn went through the process of trading a second star pitcher in under eight months, Jose Quintana. Hahn was initially unsure of whether to trade Quintana, but received an offer from an unidentified team that was enough to deal the prized lefty if no better deal arose. Having reached the initial threshold for dealing Quintana, Hahn went back to Cubs president Theo Epstein with what amounted to a take it-or-leave it, non-negotiable framework of Quintana for a prospect package led by outfielder Eloy Jimenez and pitcher Dylan Cease. Epstein agreed, and a few days later Quintana was starting for the Cubs.

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On the 22nd episode of the DFA podcast, R.J. and Bryan are joined by BP's Jarrett Seidler to talk about the biggest post-deadline deal (Jay Bruce to the Indians), the callups of Dominic Smith and Amed Rosario, and ... whatever the Mets' plan is for 2018!

It's another episode of the DFA podcast! Hosts Bryan Grosnick (Baseball Prospectus) and R.J. Anderson (CBS Sports), plus producer Shawn Brody (Beyond the Box Score, BP Mets), are talking about all the transactions and roster moves that make MLB go. From trades and signings to callups and disabled list stints, DFA is here to provide analysis and commentary on all things baseball.

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August 11, 2017 12:01 am

The Call-Up: Dominic Smith

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Jarrett Seidler and Bret Sayre

The youth movement in Queens continues. Please don't tell Terry Collins.

The Situation: The Mets are trying to sell that dealing top rental bats Lucas Duda and Jay Bruce off for marginal relief prospects was largely to create playing time for top first base prospect Dominic Smith. So here he is.

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August 10, 2017 11:18 am

The Call-Up: Rhys Hoskins

2

Jarrett Seidler and Scooter Hotz

Let's find out if the Phillies like the taste of Rhys' big cuts.

The Situation: The Phillies, as you might know, are not great at baseball. They’ve held overripe first base prospect Rhys Hoskins down at Triple-A all season in favor of so-so 26-year-old incumbent first baseman Tommy Joseph, a move right on the border of defensibility for a rebuilding club. Hoskins started taking reps in left field earlier this week after Aaron Altherr went on the DL, temporarily opening a spot in a previously crowded young outfield. It’s Hoskins’ first playing time in the outfield since he was a semi-regular in left as a college freshman, but it’s not like the next six weeks of Phillies outfield defense matters too much except to the back of Aaron Nola’s baseball card.

 

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August 10, 2017 6:00 am

Guarding The Lines: Prospects and Relative Valuation

0

Jarrett Seidler

One man's depth is another man's starter.

We often talk about prospect value in an absolute sense: Joey Outfielder is the 23rd-best prospect in baseball with an OFP 70, likely 60, moderate risk, and the second-best prospect in his system [ed. Note: That OFP/Likely would make him better than the 23rd-best prospect]. But just as an injury replacement player in any given situation isn’t necessarily “replacement-level” in the sabermetric context, prospects can have different relative values to different teams, even if the teams value the prospect and his skills similarly. These kinds of relative value disparities can often spur on interesting trades.

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Tampa Bay gives up on former no. 1 overall pick Tim Beckham, sending him to Baltimore for minor leaguer Tobias Myers.

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Oakland sends Sonny Gray to New York for a trio of prospects, as the Yankees load up for a playoff run.



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August 1, 2017 12:01 am

The Call-Up: Amed Rosario

0

Jarrett Seidler and Wilson Karaman

Well, the Mets have at *least* one thing to look forward to now.

The Situation: The Mets are staggering towards the bottom of the NL like a 3 AM drunk, sitting at 48-55 and having just dealt two of their few players performing well, first baseman Lucas Duda and closer Addison Reed. Particularly troubling has been the play on the left side of the infield, where fading veterans Asdrubal Cabrera and Jose Reyes have combined to provide horrific defense and meager offense. With Cabrera having moved off short permanently to rotate between second and third and Reyes battling an arm injury after once again proving incapable of handling the defensive rigors of short, the six spot is open in every conceivable sense. Oh yeah, and the Mets have the best prospect left in the minors, a potential stud defender at short who is currently hitting .328 in Triple-A. What the heck took so long again?

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Boston adds Mets closer Addison Reed in another effort to build a bridge to Craig Kimbrel.

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Jaime Garcia is on the move for the second time in a week, going from Minnesota to New York.

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July 28, 2017 6:00 am

The Call-Up: Erick Fedde

0

Jarrett Seidler and Wilson Karaman

The Nationals turn to their 2014 first-round pick to fill a rotation spot.

The Situation: Stephen Strasburg’s latest mystery elbow problem has landed him on the 10-day DL. He’s only expected to miss one start, but the Nationals have called up their top remaining pitching prospect, Erick Fedde, to take the turn.

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July 21, 2017 6:00 am

Guarding The Lines: A Song About Velocity

2

Jarrett Seidler

Evaluating velocity alone is easy, interpreting it has gotten a little harder.

In a strict sense, evaluating fastball velocity is the single, easiest thing for a prospect analyst to do. You find a reliable gun (read: a dude that has a Stalker) and start recording numbers. The gun tells you everything you need to know, and unlike even a stopwatch, there really isn’t anything the end user can screw up (outside of reading off a crappy gun). Grading it is easy: you just follow the chart that tells you what velo equals what grade.

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