Parker and Hellickson close

Updated: July 22, 2009, 4:47 PM ET
By Jason Grey |

With just one quality start in his past eight trips to the mound, including a rough outing against the Mariners on Tuesday, Detroit's Rick Porcello may have hit a bit of a wall in his development. The 20-year-old acquitted himself well earlier in the season, but at the end of the day, he's still just 20, and needs to be handled carefully for his long-term development.