Infielders Geoff Blum and Craig Counsell have cleared waivers, according to ESPN.com's Buster Olney (on Twitter). The Astros and Brewers can now trade their respective veterans to any team. The Braves and Cardinals both lost third basemen, so Blum and Counsell could draw interest. Blum ($1.5MM, mutual option for 2011) and Counsell ($2.1MM) both make modest salaries, play second third and short and can hit the open market after the season.
Here's MLBTR's complete list of players to clear waivers.