Historical Transactions Occurring on December 31

The Chicago Cubs signed Christian Bethancourt as a free agent.

The Chicago Cubs signed Hunter Harvey as a free agent.

The Washington Nationals signed Matt Mervis as a free agent.

The Minnesota Twins signed Mike Ford as a free agent.

The Baltimore Orioles signed Nick Gordon as a free agent.

The Tampa Bay Rays signed Eloy Jiménez as a free agent.

The Chicago Cubs signed Caleb Thielbar as a free agent.

The New York Yankees signed Andrew Velazquez as a free agent.

The Washington Nationals signed Trevor Williams as a free agent.

The Arizona Diamondbacks signed Kevin Newman as a free agent.

The Atlanta Braves signed Joshua Fuentes as a free agent.

The Minnesota Twins released Charlie Barnes.

The Tampa Bay Rays signed Chris Ellis as a free agent.

The Philadelphia Phillies signed Aneurys Zabala as a free agent.

The San Diego Padres signed Ha-Seong Kim as a free agent.

The Minnesota Twins signed Homer Bailey as a free agent.

The Minnesota Twins signed Rich Hill as a free agent.

The Los Angeles Dodgers signed Shane Peterson as a free agent.

The New York Yankees signed Jonathan Diaz as a free agent.

The Miami Marlins signed Moisés Sierra as a free agent.

The Los Angeles Dodgers signed Brett Anderson as a free agent.

The Pittsburgh Pirates released Josh Stinson.

The Philadelphia Phillies traded Marlon Byrd and cash to the Cincinnati Reds for Ben Lively.

The Houston Astros signed Jesse Crain as a free agent.

The Kansas City Royals signed Endy Chávez as a free agent.

The Chicago Cubs signed Dayán Díaz as a free agent.

The Kansas City Royals signed Miguel Tejada as a free agent.

The Toronto Blue Jays signed Brian Bocock as a free agent.

The New York Yankees signed Andruw Jones as a free agent.

The Chicago White Sox traded Carlos Quentin to the San Diego Padres for Simón Castro and Pedro Hernández.

The Kansas City Royals signed Zach Miner as a free agent.

The Philadelphia Phillies signed Danys Báez as a free agent.

The Pittsburgh Pirates signed Brian Burres as a free agent.

The Pittsburgh Pirates signed Neal Cotts as a free agent.

The Los Angeles Angels of Anaheim signed Brian Fuentes as a free agent.

The Baltimore Orioles signed Mark Hendrickson as a free agent.

The Chicago Cubs signed Aaron Miles as a free agent.

The Cleveland Indians signed Phillips Valdéz as an amateur free agent.

The Chicago Cubs traded Mark DeRosa to the Cleveland Indians for Chris Archer, John Gaub and Jeff Stevens.

The Philadelphia Phillies signed Lendy Castillo as an amateur free agent.

The Chicago Cubs signed Todd Hollandsworth as a free agent.

The Detroit Tigers signed Kevin Hooper as a free agent.

The Cleveland Indians signed Jake Robbins as a free agent.

The Colorado Rockies signed Brad Clontz as a free agent.

The Texas Rangers signed Aaron Fultz as a free agent.

The Los Angeles Dodgers signed Fred McGriff as a free agent.

The Boston Red Sox signed Ramiro Mendoza as a free agent.

The San Francisco Giants signed Neifi Pérez as a free agent.

The New York Mets signed Rey Sánchez as a free agent.

The Los Angeles Dodgers signed Mike Johnson as a free agent.

The New York Yankees signed Jalal Leach as a free agent.

The Cincinnati Reds signed Héctor Mercado as a free agent.

The St. Louis Cardinals signed Thomas Howard as a free agent.

The Baltimore Orioles signed Jeff Huson as a free agent.

The Kansas City Royals signed Enrique Burgos as a free agent.

The Pittsburgh Pirates signed Bob Walk as a free agent.

The New York Yankees purchased Scott Sanderson from the Oakland Athletics.

The Minnesota Twins signed Dennis Burtt as a free agent.

The Atlanta Braves traded Butch Edge to the Chicago White Sox for Mike Colbern.

The Milwaukee Brewers signed Ray Fosse as a free agent.

The New York Yankees signed Catfish Hunter as a free agent.

The Milwaukee Brewers released Jim Hannan.

The Chicago White Sox purchased Chuck Hartenstein from the Boston Red Sox.

The Washington Senators signed John Roseboro as a free agent.

The Atlanta Braves traded a player to be named later, Eddie Mathews and Arnold Umbach to the Houston Astros for Bob Bruce and Dave Nicholson. The Atlanta Braves sent Sandy Alomar (February 25, 1967) to the Houston Astros to complete the trade.

The Pittsburgh Pirates released Boom-Boom Beck.

The Pittsburgh Pirates released Jack Saltzgaver.

Indianapolis (American Association) purchased Woody Rich from the Boston Red Sox.

The New York Giants purchased Bump Hadley from the New York Yankees.

The New York Yankees traded Bill Knickerbocker to the Chicago White Sox for Ken Silvestri.

The St. Louis Browns selected Charlie Robertson off waivers from the Chicago White Sox.

The Washington Nationals traded Braggo Roth to the New York Yankees for Duffy Lewis and George Mogridge.

The New York Yankees returned Curt Walker to Augusta (South Atlantic) as part of a conditional deal. (Date given is approximate. Exact date is uncertain.)

Toledo (American Association) purchased Luke Nelson from the New York Yankees.

Sacramento (PCL) purchased Dazzy Vance from the New York Yankees.

The Chicago White Sox released Ed Walsh.

The Washington Nationals purchased Bob Ganley from the Pittsburgh Pirates.