19010417	Traded 20-year-old starting pitcher <a href="../players/player_226.html">Christy Mathewson</a> to the <a href="../teams/team_15.html">Pittsburgh Pirates</a>, getting 26-year-old reliever <a href="../players/player_292.html">Ed Poole</a> in return.
19010417	Traded 29-year-old reliever <a href="../players/player_76.html">Roger Denzer</a> to the <a href="../teams/team_15.html">Pittsburgh Pirates</a>, getting 21-year-old reliever <a href="../players/player_253.html">George Merritt</a> in return.