Former Arsenal and Chelsea defender, William Gallas, has suggested that Cristiano Ronaldo could end up signing for League 1 outfit Wrexham. Ronaldo is currently lacing his boots for Saudi Pro League side, Al Nassr. The veteran Portuguese attacker is 39-year-old but has shown no sign of hanging his boots yet. Ronaldo gained global prominence at Manchester United before joining Real Madrid where he had a legendary run that saw him bag 451 goals. With over 900 career goals, Ronaldo is now the most prolific goalscorer in the history of the sport. And Frenchman Gallas the 39-year-old could make a m…