We'll keep tabs on any notable players hitting the revocable waiver wire right here …

The Padres have placed third baseman Chase Headley on waivers, reports Jon Heyman of CBS Sports (on Twitter). One of last year's biggest breakout players, Headley has been the subject of repeated trade and extension rumors. He is playing on a $8.575MM contract this year, just under $2MM of which still remains to be paid, and will enter his final year of arbitration eligibility next season. Thus far in 2013, Headley has failed to live up to his big 2012 campaign. After missing time early in the year due to injury, Headley has managed only a .237/.328/.368 line in his 472 plate appearances to date. Nevertheless, the 29-year-old figures to appeal to a variety of clubs, though the Padres would surely require a substantial return to let him go.

For a reminder on how revocable trade waivers and August trades work, check out MLBTR's August trades primer.