ESPN's Keith Law reports that the Cubs will also receive Dan Straily and prospect outfielder Billy McKinney from the Athletics for Jeff Samardzija and Jason Hammel.
Athletics optioned RHP Dan Straily to Triple-A Sacramento.
Dan Straily allowed three runs over six innings in a no-decision against the Mariners on Wednesday.
Dan Straily gave up two runs and lasted just 4 1/3 innings Friday against the Red Sox.
Dan Straily allowed three earned runs in 6 1/3 innings Saturday as the A's lost to the Astros.
Dan Straily was blasted for six runs on seven hits and a walk over 3 2/3 innings in Tuesday's loss to the Angels.
Dan Straily tossed seven innings of one-run ball in a 6-1 win over the Twins on Thursday.
Dan Straily surrendered three earned runs over six innings Saturday in a loss to the Mariners.
Friday's game between the Athletics and Mariners has been postponed due to rain.
Dan Straily allowed three runs in four innings of work during Wednesday's start against the Indians.
Dan Straily pitched well against the Royals on Friday, allowing one run on three hits over four innings.
Dan Straily looked good in his second Cactus League start, tossing three scoreless innings against the White Sox on Sunday.
Dan Straily surrendered three runs in two innings against the Brewers in Tuesday's start.
Dan Straily struck out eight while allowing three runs over six frames in Tuesday's loss to the Tigers.