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

  • Before 1880 Season

    Old Hoss Radbourn received from Dubuque (Northwest) in an unknown transaction.

  • May, 1880

    Released Old Hoss Radbourn.

  • December 25, 1880

    Signed Jim O'Rourke as a free agent. (Date given is approximate. Exact date is uncertain.)