What do Crystal Palace still need in the transfer window?

[BBC]There has been a lot of change at Palace with the loss of Maxence Lacroix and a new manager starting the season in Pierre Sage.The Eagles have been building depth for their Europa League campaign but still need a few bodies in the building.Sage has made clear he wants a senior centre-back and Palace could be pushed to sign another defender too after the injury to Chadi Riad in the first game of the Premier League season against Everton.Ollie Thomas, Crystal Palace fanRiad's injury has ampli