Transactions listed are from November 1 of previous year to April 1 of the following year.
- Before 1879 Season
The Providence Grays signed Jim O'Rourke as a free agent.
The Providence Grays signed George Wright as a free agent.
The Buffalo Bisons signed Hardy Richardson as a free agent.
- June, 1879
The Cleveland Blues signed Jack Allen as a free agent.
The Troy Trojans signed Dan Brouthers as a free agent.
The Syracuse Stars released Jack Allen.
- August, 1879
The Troy Trojans released Tom Mansell.
- December, 1879
The Chicago White Stockings signed King Kelly as a free agent.
- Before 1880 Season
The Troy Trojans signed Roger Connor as a free agent.
The Cleveland Blues signed Ned Hanlon as a free agent.
The Boston Red Stockings signed Jim O'Rourke as a free agent.
The Troy Trojans signed Mickey Welch as a free agent.
The Worcester Ruby Legs signed Arthur Irwin as a free agent.
Old Hoss Radbourn sent from Dubuque (Northwest) to the Buffalo Bisons in an unknown transaction.
The transaction information used here was obtained free of charge from and is copyrighted by RetroSheet. We attempt to update transactions throughout the season.
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