Cubs non-tendered RHP Ryan Cook.
Cubs claimed RHP Ryan Cook off waivers from the Red Sox.
Red Sox recalled RHP Ryan Cook from Triple-A Pawtucket.
Red Sox optioned RHP Ryan Cook to Triple-A Pawtucket.
Red Sox acquired RHP Ryan Cook from the Athletics for a player to be named later or cash considerations.
Alex Speier of the Boston Globe reports that the Red Sox have acquired Ryan Cook from the Athletics.
Athletics optioned RHP Ryan Cook to Triple-A Nashville.
Athletics recalled RHP Ryan Cook from Triple-A Nashville.
Athletics optioned RHP Ryan Cook to Triple-A Sacramento.
Athletics and RHP Ryan Cook avoided arbitration by agreeing to a one-year, $1.4 million contract.
Ryan Cook was called on to earn the save Sunday but instead took the loss against the Astros.
Ryan Cook pitched a scoreless inning Monday, giving him 20 consecutive appearances in which he hasn't allowed a run.
Ryan Cook got his first save of the season, recording four outs in Sunday's win over the Marlins.