Neymar had only just turned professional in 2009 but his outstanding talent ensured he was expected to become a Brazil football legend. Watch Neymar at age 17.
Bartley made only 10 appearances for the Swans last season. He had to undergo a surgery in September after suffering a medial ligament damage.
The Baggies are desperate for defensive reinforcement and are keen to sign the £4million-rated centre-back. Jonny Evans already left the club, and with the futures of Craig Dawson and Ahmed Hegazi in serious doubt, the Baggies are looking at new faces to rebuild the squad.