For Garret Olson and Ronny Cedeno. Here is a story:
Chicago Cubs get Seattle Mariners' Aaron Heilman for two players - ESPN
I like this move on both sides (it favors the Mariners a bit). Olson gets a chance to compete for a starting spot with the Mariners and Cedeno solidifies their infield, offering the ability to play 2B and SS pretty well. Heilman could step in as a starter or work out of the bullpen. He has a lot of major-league experience.