Dallas Cowboys safety Gerald Sensabaugh could miss the start of training camp after undergoing arthroscopic surgery on his right knee, Todd Archer of ESPN Dallas reports. The Cowboys had held Sensabaugh out of last month's minicamp and the 29-year-old missed a portion of the OTAs with the injury, by undergoing surgery, Archer notes that Sensabaugh will be eligible to report to training camp on July 25 along with the rookies for rehab purposes, four days ahead of the veteran reporting date. Sensabaugh is expected to be ready well before the start of the regular season, which is good news for the Cowboys as they lack depth in the back end of the secondary. With the departure of Abram Elam to the Kansas City Chiefs in free agency, the Cowboys are left with free agent acquisition Brodney Pool, 2010 undrafted free agents Barry Church and Danny McCray and 2012 fourth-round pick Matt Johnson at the safety position. Source: NFL.com