Archives

Under The Knife column archives.

indicates Baseball Prospectus Premium content, and indicates Baseball Prospectus Fantasy content.

You can also view archives

by Author... Derek Albin Mark Anderson R.J. Anderson Robert Arthur Robert Au Nick Bacarella Emma Baccellieri Bill Baer Javier Barragan Mark Barry Michael Bates Stephani Bee Jesse Behr Demetrius Bell Jonah Birenbaum Nathan Bishop George Bissell Tucker Blair J.P. Breen Shawn Brody Dan Brooks Craig Brown David Brown Maury Brown Marc Carig Russell A. Carleton Ben Carsley Alex Chamberlain John Choiniere Jason Cole Jason Collette Matt Collins Mary Craig Christopher Crawford Zach Crizer Keith Cromer Corey Dawkins Brandon Decker Rocco DeMaro Neil deMause Thomas Desmidt Ben Diamond Bradford Doolittle Patrick Dubuque Patrick Ebert Matt Ellis John Erhardt John Eshleman Jeff Euston Dan Evans Sarah Evans Nick J. Faleris BP Fantasy Staff Mike Fast James Fegan Sam Fels Tim Finnegan James Fisher Eugene Freedman Ken Funck Iain Fyffe Marco Gamez Eriq Gardner Brendan Gawlowski Mike Gianella Steve Givarz Aaron Gleeman Clark Goble Todd Gold Steven Goldman Craig Goldstein Kevin Goldstein Jordan Gorosh Stacey Gotsulias Morris Greenberg Jeremy Greenhouse Bryan Grosnick Kendall Guillemette Matt Gwin Parker Hageman Will Haines Joe Hamrahi Bob Hertzel Shawn Hoffman Randy Holt Scooter Hotz Joshua Howsam Gary Huckabay Derek Jacques J.J. Jansons Rany Jazayerli Max Jensen Grant Jones Michael Jong Jonathan Judge Christina Kahrl Sky Kalkman Wilson Karaman King Kaufman Jonah Keri Chris King Tim Kniker Andrew Koo Matthew Kory Joshua Kusnick David Lee Zachary Levine Ryan Lind Ben Lindbergh Jeff Long Rob Mains Dan Malkiel Gregory J. Matthews Rachael McDaniel Adam McInturff Rob McQuown Chris Mellen Ian Miller Sam Miller Kate Morrison Zach Mortimer Chris Mosch Zack Moser Sean O'Rourke Scott Orgera Dustin Palmateer Bill Parker Ryan Parker Jason Parks Jeffrey Paternostro Harry Pavlidis Dave Pease John Perrotto Mike Petriello Frankie Piliere Lewie Pollis Kate Preusser Matthew Provenzano Ethan Purser Jeff Quinton Jessica Quiroli Keith Rader Daniel Rathman David Rawnsley Stephen Reichert Chris Rodriguez Andrew Rothstein Meg Rowley Mauricio Rubio Bret Sayre BP Scoresheet Experts Steffan Segui Jarrett Seidler Eric Seidman Timo Seppa Ron Shah Sahadev Sharma Joe Sheehan Nate Silver Al Skorupa Bryan Smith Adam Sobsey Emma Span Scott Spencer Paul Sporer Tim Steggall Nicolas Stellini Trevor Strunk Matt Sussman Daron Sutton Matt Swartz David Temple Doug Thorburn Matthew Trueblood Ashley Varela Rob Vollman Mike Vorkunov Stuart Wallace Jim Walsh Rian Watt Greg Wellemeyer Holly Wendt Nick Wheatley-Schaller Collin Whitchurch E Wi Rob Willer Ezra Wise CJ Wittmann Brad Wochomurka Jason Wojciechowski Will Woods Noah Woodward Kathy Woolner Keith Woolner Colin Wyers Jared Wyllys Kazuto Yamazaki Colin Young or by Column... 2015 Prospects 2016 Prospects 2017 Prospects 5 O'Clock Power 6-4-3 Actual Relief Advance Scouting Series Ahead in the Count All-Star Futures Game All-Star Game All-Star Game Preview All-Star Home Run Derby An Agent's Take Answer Man Arbitration Showdown Arizona Fall League Recap Banished To The Pen Banjo Hitter Baseball ProGUESTus Baseball Prospectus Basics Baseball Prospectus Book News Baseball Prospectus News Baseball Therapy Behind the Curtain Best of BP 2015 Best of BP 2016 Bizball BP Announcements BP Beta Blog BP Daily Podcast BP En Espanol BP Experts Prospect Mock Draft BP Fantasy Podcast BP Job Postings BP on SiriusXM BP Unfiltered Breaking Balls Bullpen Report Campus Notes Caught Looking Changing Speeds Cheese in the Kitchen Circle Change Closer Report Cold Takes Collateral Damage Collateral Damage Collateral Damage Daily Contractual Matters Covert OPS Daily League Strategy Daily Roundup Daisy Cutter Deep Impact Deep League Report Deep, But Playable DFA Podcast Dissecting the Draft Divide and Conquer, AL Central Divide and Conquer, AL East Divide and Conquer, NL Central Divide and Conquer, NL East Divide and Conquer, NL West Doctoring The Numbers Don't Believe the Hype Draft Ten Pack Ducks on the Pond Dynasty Dynamics Dynasty League Positional Rankings Dynasty League Positional Rankings Continued Early ADP Analysis Every Team's Moneyball Everyone's Perfect Everything You Could Have Learned This Week Expanded Horizons Expert FAAB Review Expert League Auction Recap Expert League Draft Recap Eyewitness Accounts Fantasy Auction Values Fantasy Bargains and Busts Fantasy Beat Fantasy Beat Fantasy Categorical Breakdowns Fantasy Draft Rankings Fantasy Focus Fantasy Fool's Gold Fantasy Freestyle Fantasy Hour Fantasy Infographic Fantasy Mailbag Fantasy Players to Avoid Fantasy Players to Target Fantasy Rounders Fantasy Starting Pitcher Planner Fantasy Team Preview Fantasy Three-Year Projections Fantasy Tiered Rankings Feature Focus Field Generals Fifth Column Five to Watch Flags Fly Forever Podcast Flu-Like Symptoms Free Agent Watch Fringe Average Podcast From the Editor's Desk From The Mailbag Future Shock Future Shock Blog Game Reaction Get to Know Glass Cuts Diamond Going Yard Graphical Fantasy Rankings Grumblings from a Surly Sabermetrician Guarding The Lines Head Games Heartburn Hardball Hot Stove Scouting Report In A Pickle In-Season Fantasy Valuations Inside The Park Inside The Park Blog Interleague Report Internet Baseball Awards Let It Eat Lies, Damned Lies Life at the Margins Limited Range Podcast Liner Notes Long Relief Looking Back on Tomorrow Manufactured Runs Memorial Day Remembrance Mid-season Prescriptions Minor Issues Minor League Update MLBDepthCharts Monday Morning Ten Pack Moonshot My Model Portfolio New Arms Ninety Percent Mental Notes About Baseball Notes from the Field On A Jailbreak On the Beat One Move Outta Left Field Overthinking It Painting the Black Pebble Hunting Perfect Game Presents Pitcher Profile PITCHf/ox PITCHf/x Mailbag PITCHf/x Profile Pitching Backward Player Profile Players Prefer Presentation Playing Time Battles Playoff Odds Update Playoff Prospectus Position Battles Potential Impact Call-Ups Pre-Season Positional Rankings Preseason Value Picks Prospect Debate Prospect House Prospect Profile Prospect Push Prospects Will Break Your Heart Prospectus Feature Prospectus Game of the Week Prospectus Hit and Run Prospectus Perspective Prospectus Playoff Quickie Prospectus Preview Prospectus Profile Prospectus Q&A Prospectus Review Prospectus Roundtable Prospectus Today Punk Hits Purpose Pitches Raising Aces Rany On The Royals Raw Projection Reintroducing PECOTA Release Points Research Mailbag Resident Fantasy Genius Retro Transaction Analysis Retrospective Player Valuation Reworking WARP Roto Restart Rubbing Mud Rumor Roundup Scouting the Draft Seidnotes Short Relief Skewed Left Sobsequy Soft Toss Some Projection Left Spinning Yarn Spitballing Sporer Report State of the Position Stolen Signs Podcast Swing Change Tale of the Tape Tale of the Tape, Dynasty Edition Tater Trot Tracker TDGX Transactions Team Chemistry Team Health Reports Team Injury Projection The -Only League Landscape The Adjuster The Asian Equation The BP Broadside The BP First Take The BP Trading Post The BP Wayback Machine The Buyer's Guide The Call-Up The Column to Be Named Later The Daily Prospectus The Darkhorses The Fantasy Verdict The Great Debaters The Guidance Counselor The Jong Show The Keeper Reaper The Landscape The Lineup Card The Other 15 Percent The Over/Underachievers The Payoff Pitch The Platoon Advantage The Process The Prospectus Hit List The Quinton The Stash List The Stats Go Marching In The Things We Believe The View From Behind The Backstop The View from the Loge Level The Week in Quotes They Hold No Quarter This is Not Your Father's Baseball Road Trip TINO (There Is No Offseason) TINSTAAPP Tools of Ignorance Top 10 Week Top Tools Transaction Analysis TTO Scoresheet Podcast Two-Strike Approach Under The Knife Updating the Tiers UTK Special Value Picks Weekly Planner Weekly Wrap Welcome to Splitsville West Coast By Us Western Front Wezen-Ball Wezen-Ball Extra What Scouts Are Saying What You Need to Know Working the Count You Could Look It Up Youth Movement   

or browse research articles in the Baseball Prospectus Library

May 20, 2007

Under The Knife: Yuck, Ouch, and Grumble

by Will Carroll

Hank Blalock's rib, the latest pitcher hurt by a line drive, and a scandal or two are just some of this weekend's news on the injuries front.

May 17, 2007

Under The Knife: Blisters, Breakdowns, and Bounce-backs

by Will Carroll

Not all the news is bad, but proactive handling and good second opinions aren't really cause for parades.

May 16, 2007

Under The Knife: The Right Questions

by Will Carroll

A pair of big name Eastern Division starters are dealing with minor finger woes, while two West Coast hurlers find themselves in the column for more ominous reasons.

May 14, 2007

Under The Knife: Non-Controversies and Dermatological Discontents

by Will Carroll

An announcer gets it wrong, the Red Sox start having rotation health concerns of their own, and updates from around the leagues.

May 13, 2007

Under The Knife: Halladay Injuries

by Will Carroll

Will has Mother's Day updates on Joel Zumaya, Chipper Jones, Justin Morneau, Ryan Howard, Troy Glaus, and Roy Halladay.

May 11, 2007

Under The Knife: Marshall's Law

by Will Carroll

Could Mike Marshall--or anybody else--have saved B.J. Ryan's elbow? The results don't back up the pitching doctor's claims to have found the one way to keep hurlers healthy and effective.

May 9, 2007

Under The Knife: Ortiz Unfiltered

by Will Carroll

Sick of steroid accusations? Give David Ortiz a pat on the back for his candid discussion of the issue, then read on for the injuries.

May 8, 2007

Under The Knife: Athleticism

by Will Carroll

Detroit's guitar hero has his domestic tour put on hold, while the reigning NL MVP will watch the next several games from the bench.

May 7, 2007

Under The Knife: The Rocket's Fuel

by Will Carroll

How much will Clemens give the Yankees? The answer depends on whether the team's embattled medical staff can keep him in working order.

May 6, 2007

Under The Knife: Other Shoes Drop

by Will Carroll

We learn a bit more about being misled, getting to the bottom of things, and seeing some injuries for the very first time.

May 2, 2007

Under The Knife: Something Special

by Will Carroll

Will's take on Philip Hughes' unforgettable outing, along with updates on Brian McCann and Chris Carpenter.

May 1, 2007

Under The Knife: The Speed of Time

by Will Carroll

As April rolls into May, a bevy of pitchers have found their way onto Will's radar, which is currently focused on a sudden string of injuries in Queens.

April 30, 2007

Under The Knife: Never a Dull Moment

by Will Carroll

Depth is the best way for contenders like the Mets, Twins, and Angels to deal with their latest hurts.

April 29, 2007

Under The Knife: Gearing Up

by Will Carroll

Will revisits the need for protective equipment for pitchers, talks about two of the game's most-followed elbows, and more.

April 26, 2007

Under The Knife: Prior Mayhem Makes a Long Wait Longer

by Will Carroll

The latest development in a sad saga, plus updates on Ben Sheets, the Big Unit, Derek Jeter, and more.

April 24, 2007

Under The Knife: Norm!

by Will Carroll

Some guys are keeping their spots in UTK warm for longer than their teams would really like.

April 23, 2007

Under The Knife: No Excuses

by Will Carroll

No, it's not about the jeans, but about the injuries, and it pays to have a Plan B.

April 20, 2007

Under The Knife: The Felix Affair

by Will Carroll

Mariners fans should put off their despair at least long enough to read Will's latest update on the Felix Hernandez hysteria.

April 18, 2007

Under The Knife: Mobile

by Will Carroll

The Cubs' Felix Pie shows up in center, but when will Soriano return? Plus updates on Jason Schmidt, Jered Weaver, and Freddy Garcia.

April 17, 2007

Under The Knife: Excel-Induced Delusions?

by Will Carroll

Will tries to read the tea leaves, but the leaves are getting an MRI tomorrow. Plus reports on Blue Jays, Cubs, and whiffing Will Leitch.