For a few years now, the Indians have been contenders, and made the 2016 World Series. They were constructed well, and have a talented roster. This is how they were built.
Catchers
Roberto Perez
Perez was drafted in the 33rd round of the 2008 draft.
Kevin Plawecki
In Janaury, the Indians acquired Plawecki from the Mets for Walker Lockett and Sam Haggerty.
Infielders
Carlos Santana
Though Santana was an Indian from 2010-2017, the team re-acquired him in December in a three team trade. The Indians acquired Santana, Jake Bauers and cash, and gave up Edwin Encarnacion, Yandy Diaz and Cole Sulser.
Jose Ramirez
Ramirez signed as an amateur free agent in November 2009.
Brad Miller
Miller signed with the Indians in late March.
Max Moroff
Moroff was acquired in November along with Jordan Luplow from Pittsburgh for Erik Gonzalez, Dante Mendoza and Tahnaj Thomas.
Eric Stamets
Stamets was acquired from the Angels in July 2015 for David Murphy.
Hanley Ramirez
Ramirez signed a minor league deal in February.
Outfielders
Jordan Luplow
Luplow was acquired in November 2018 from the Pirates with Max Moroff for Tahnaj Thomas, Erik Gonzalez and Dante Mendoza.
Jake Bauers
Bauers was part of a December three team trade, where the Indians acquired Bauers, Carlos Santana and cash, giving up Edwin Encarnacion, Yandy Diaz and Cole Sulser.
Greg Allen
Allen was drafted in the 6th round in 2014.
Leonys Martin
On July 31st, the Indians acquired Martin and Kyle Dowdy from the Tigers for Willi Castro.
Tyler Naquin
Naquin was drafted in the first round (15th overall) in 2012.
Pitchers
Corey Kluber
Kluber was acquired in July 2010 in a three team deal with the Cardinals and Padres. The Indians acquired Kluber, and traded Jake Westbrook.
Trevor Bauer
Bauer was acquired in December 2012 from the Diamondbacks. The Indians acquired Bauer, Matt Albers, Bryan Shaw and Drew Stubbs. They gave up Shin-Soo Choo, Jason Donald, Lars Anderson and Tony Sipp.
Carlos Carrasco
Carrasco was acquired at the 2009 trade deadline from the Phillies with Jason Donald, Lou Marson and Jason Knapp for Cliff Lee and Ben Francisco.
Mike Clevinger
In August 2014, the Indians acquired Clevinger from the Angels for Vinnie Pestano.
Shane Bieber
Bieber was drafted in the 4th round of the 2016 draft.
Neil Ramirez
Ramirez signed with the Indians in November 2017.
Jon Edwards
Edwards signed with the Indians in March 2018.
Tyler Olson
In July 2016, the Indians picked Olson off waivers from the Royals.
Dan Otero
Otero was purchased from the Phillies in December 2015.
Adam Cimber
In July 2018, the Indians acquired Cimber from the Padres with Brad Hand for Francisco Mejia.
Brad Hand
In July 2018, the Indians acquired Hand from the Padres with Adam Cimber for Francisco Mejia.
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Francisco Lindor
Lindor was drafted in the first round (8th overall) in 2011.
Jason Kipnis
Kipnis was drafted in the 2nd round of the 2009 draft.
Bradley Zimmer
Zimmer was drafted in the 1st round (21st overall) in 2014.