Through the end of the season, Turkish international Cenk jumped ship Friday from one English team to another.
Crystal Palace signed Tosun on loan from Everton for a half-season deal.
“We’re delighted to have secured Cenk’s services for the remainder of this season,” Crystal Palace Chairman Steve Parish said on the club’s website.
“We’ve enjoyed a great first half of the campaign and Cenk’s arrival will bolster our squad as we push for a top-half Premier League finish.
“Cenk has a proven record as a goalscorer and we’ve admired him for some time, so I’m very pleased to welcome