Baseball Prospectus signature fantasy podcast, Flags Fly Forever covers the vast fantasy landscape in greater detail than a replacement-level podcast. Bret Sayre, Mike Gianella and George Bissell take a deep dive into current fantasy topics, combining traditional scouting with statistical analysis to provide fantasy owners with an unparalleled perspective.  This week’s topics include:Offseason Transaction Analysis- Craig Kimbrel- Andrelton Simmons- Joaquin Benoit- Nate Karns- Francisco Rodriguez- Leonys Martin- Tom WilhelmsenNational League - Retrospective Player ValuationsWe delve into Mike Gianella’s stellar 2015 Retrospective Player Valuation series with an extensive look at the senior circuit’s top earning hitters, biggest surprises, disappointments and also engage in a lengthy discussion regarding Billy Hamilton’s value going forward. On the pitching side, Mike explains the historical significance of the performances by Jake Arrieta, Clayton Kershaw and Zack Greinke this past season and examines the recent trend of elite starting pitchers (and closers) becoming safer investments on draft day than stud hitters.