I'm pretty sure they could get Turley pretty cheap.
Huge news in Indianapolis as the Colts starting left tackle Tarik Glenn has decided to retire. Barring a change of heart by Glenn the Colts will report to training camp on July 29 without their star lineman who has appeared in the past three Pro Bowls. The Colts' options at replacing him include Charlie Johnson, a sixth-round pick in 2006 who primarily saw action at right tackle as a rookie, and Tony Ugoh, their second-round pick in the April draft. They traded their 2008 first-round pick in order to get into position to select Ugoh, then indicated he might be Glenn's eventual successor.
Source: Mike Chappell & Phillip B. Wilson, Indianapolis Star