6:49pm: The Morning Call's article has been updated to say Donald will miss three to four weeks. which matches Zolecki's report. This would give the Phillies a few weeks before the deadline to showcase a healthy Donald.
5:42pm: MLB.com's Todd Zolecki reports that Phillies' infield prospect Jason Donald will have surgery on Monday to repair a torn meniscus in his left knee. The Morning Call says that he could miss up to six weeks, which means he could be on the shelf until the trade deadline.
Donald was hitting just .230-.293-.324 in 226 plate appearances for Triple-A Lehigh Valley this year, but he's considered one of Philadelphia's best prosects. Just last week we heard rumors of a Brad Penny for Donald swap, but any trade talks involving the 24-yr old shortstop will have to be put on hold now.