1880 Major League Transactions

Transactions listed are from November 1 of previous year to April 1 of the following year.

• 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 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.

• May, 1880

  The Boston purchased Sam Trott from Nationals (National Association).

  The Buffalo Bisons released Old Hoss Radbourn.

• May 29, 1880

  George Wright sent from the Providence Grays to the Boston in an unknown transaction.

• June 4, 1880

  The Boston released Sadie Houck.

• June 16, 1880

  The Providence Grays signed Sadie Houck as a free agent. (Date given is approximate. Exact date is uncertain.)

• July, 1880

  The Providence Grays released Mike McGeary. (Date given is approximate. Exact date is uncertain.)

• July 18, 1880

  The Cleveland Blues signed Mike McGeary as a free agent.

• August, 1880

  The Troy Trojans signed Tim Keefe as a free agent.

• August 28, 1880

  The Buffalo Bisons released Sam Crane. (Date given is approximate. Exact date is uncertain.)

• September, 1880

  The Troy Trojans signed Buck Ewing as a free agent. (Date given is approximate. Exact date is uncertain.)

• December 25, 1880

  The Buffalo Bisons signed Jim O'Rourke as a free agent. (Date given is approximate. Exact date is uncertain.)

• Before 1881 Season

  The Detroit Wolverines signed Ned Hanlon as a free agent.

• February 7, 1881

  The Providence Grays signed Old Hoss Radbourn as a free agent.