What's the eta on Crow and Nathan to start making appearances in AAA (or wherever they may be sent)? no clue on Crow, but Nathan seems to think he'll be seeing AA after pitching Friday and again next week http://espn.go.com/blog/chicago/cubs/post/_/id/39086/veteran-reliever-joe-nathan-prepares-to-help-the-cubs-if-they-need-him