Updated in a new post instead of the first post in the thread
2014 Acquisitions
NYCFC acquires Jeb Brovsky from the Montreal Impact (6/12/2014) (by trading 2nd round pick in the 2016 MLS SuperDraft)
NYCFC Acquires Goalkeeper Josh Saunders (7/10/2014) (acquired out of contract)
Andrew Jacobson joins NYCFC (7/29/2014) (from FC Dallas in exchange for NYCFC’s highest pick in the third round of the 2016 MLS SuperDraft)
NYCFC Sign Kwame Watson-Siriboe (8/11/2014) (in exchange for NYCFC’s natural pick in the fourth round of the 2016 MLS SuperDraft)
New York City FC to Pick Second in Today's Dispersal Draft (11/14/2014)
MLS:
From Dan Kennedy to Caleb Calvert, your guide to upcoming Chivas USA Dispersal Draft (11/18/2014)
New York City FC Acquires Matthew Dunn in Dispersal Draft (11/19/2014) (second overall pick in MLS Dispersal Draft)
New York City FC Acquires Defender Josh Williams from Columbus Crew (12/8/2014) (in exchange for allocation money)
MLS:
Vancouver Whitecaps trade Omar Salgado to New York City FC, with move to international club pending (traded to NYCFC and then transferred to Tigres UANL for money)
SB Nation:
NYCFC look to have done better than Orlando City in the MLS Expansion Draft (12/10/14)
Ned Grabavoy, Real Salt Lake
Patrick Mullins, New England Revolution
Jason Hernandez, San Jose Earthquakes
Daniel Lovitz, Toronto FC
Tony Taylor, New England Revolution
Mehdi Ballouchy, Vancouver Whitecaps
George John, FC Dallas
Thomas McNamara, DC United
Sal Zizzo, Sporting Kansas City
Chris Wingert, Real Salt Lake
Daniel Lovitz Moves to Toronto FC (12/10/2014)
New York City FC Brings in Meara in Exchange for Zizzo (12/11/2014) (Meara on loan; Zizzo to NYRB permanently)
New York City FC sign Akira Fitzgerald (12/11/2014)
New York City FC clinch Velasquez signing (12/19/2014) (from Real Salt Lake in exchange for allocation money)
2015 Pre-Season Acquisitions
New York City FC sign USMNT’s Mix Diskerud (1/13/2015) (on a free transfer, using their number one position in the Allocation Ranking)
Khiry Shelton Joins NYCFC (1/15/2015) (second overall pick of the MLS SuperDraft)
Orlando Sentinel:
Check out the full list of MLS SuperDraft picks (1/15/2015)
New York City FC Signs Ecuadorian Defender Andrés Mendoza (1/15/2015)
New York City FC Acquire Midfielder Kwadwo Poku From Atlanta (1/23/2015) (transfer)
New York City FC Sign Slovakian International Adam Nemec (2/2/2015)
New York City FC sign Colombian midfielder Javier Calle (2/6/2015)
(season-long loan agreement with an option to purchase)
New York City FC signs draft pick Connor Brandt (2/26/2015) (second pick of the 2015 MLS SuperDraft)
New York City FC sign veteran midfielder Pablo Alvarez (3/6/2015) (free transfer)
Shay Facey joins New York City FC on loan (3/6/2015) (from Manchester City until June 30, 2015; but note loan extension below on 6/25/2015)
2015 Acquisitions
New York City FC Sign Goalkeeper Eirik Johansen (3/31/2015) (product of the Manchester City Academy)
New York City FC Sign Defender RJ Allen (5/2/2015) (free)
New York City FC Place Andres Mendoza on Waivers (5/12/2015)
New York City FC Sign Angelino on Season-Long Loan (6/16/2015) (from Manchester City)
New York City FC Sign Veteran Defender Andoni Iraola (6/16/2015) (free transfer from Athletic Bilbao)
New York City FC Place Matt Dunn, Akira Fitzgerald on Waivers (6/24/2015)
Shay Facey's Loan Extended to End of 2015 Major League Soccer Season (6/25/2015)
Andrea Pirlo to Join New York City FC as Third Designated Player (7/6/2015) (free transfer from Juventus, set to join on 7/21/2015)
New York City FC Sign Colombian Defender Jefferson Mena (7/14/2015) (transfer from Independiente Medellín; international roster slot acquired for 2 years through trade with the LA Galaxy in exchange for allocation money)
New York City FC Place Josh Williams on Waivers (7/24/2015) (originally signed from Columbus in 12/2014 in exchange for allocation money)
New York City FC, Adam Nemec Mutually Agree to Part Ways (8/31/2015)
2015 Post-Season Acquisitions
New York City FC Announces Roster Moves Following 2015 MLS Campaign (12/4/2015)
The 2016 contracts options for Kwame Watson-Siriboe, Jeb Brovsky, Ned Grabavoy and Pablo Alvarez were declined.
Grabavoy will be eligible for Free Agency. Watson-Siriboe and Brovsky will be eligible to participate in Major League Soccer's Re-Entry Process.
Angelino, Shay Facey, Ryan Meara & Javier Calle have all returned to their original clubs after the expiration of their respective loan periods. Sebastian Velasquez's contract has expired.
New York City FC Acquire Ethan White from Philadelphia (12/10/2015) (in exchange for 2017 fourth-round SuperDraft pick)
New York City FC signs Josh Saunders to New Contract (12/17/2016) (new multi-year contract extension)
New York City FC Acquire Number One Overall Pick Jack Harrison (1/14/2015) (traded fourth overall SuperDraft pick to the Chicago Fire along with allocation money)
Ronald Matarrita Joins New York City FC (1/20/2016) (transfer from Costa Rican club L.D. Alajuelense with TAM)
New York City FC Announces Signing of Diego Martínez (1/22/2016) (free transfer from Argentinian side River Plate)
Mikey Lopez Joins New York City FC (1/26/2016) (signed from waivers)
Frédéric Brillant joins New York City FC (1/28/2016) (transfer from the Beligan club K.V. Oostende with TAM)
New York City FC place defender Chris Wingert on waivers (1/30/2016)
New York City FC Acquire Federico Bravo (2/20/2016) (on loan from Boca Juniors)
New York City FC Acquire Shannon Gomez (3/3/2016) (one year loan from W Connection)
New York City FC Sign Goalkeeper Andre Rawls (3/3/2016) (signed from USL affiliate Wilmington Hammerheads)
New York City FC Trade Andrew Jacobson to Vancouver Whitecaps FC in exchange for Targeted Allocation Money (3/11/2016)
New York City FC Acquires Steven Mendoza (3/11/2016) (one year loan from Brazilian side Corinthians with an option to purchase)
New York City FC Acquires International Spot from Sporting Kansas City (3/18/2016) (in exchange for TAM)