MELBOURNE :Australian test rugby player Jordan Petaia has signed with the Los Angeles Chargers as part of the NFL's International Player Pathway (IPP) training programme, the team said on Thursday. Petaia, who played in 31 tests and at two Rugby World Cups for the Wallabies, joins the Chargers as a tight end after training at the IMG Academy in Florida. The Chargers said the 25-year-old would work with tight ends coach and run game coordinator Andy Bischoff, joining Will Dissly, Tyler Conklin