Manchester City's Raheem Sterling celebrates scoring their second goal during Premier League match between Crystal Palace and Manchester City at Selhurst Park, London, Britain, April 14, 2019. Sterling struck twice as the Premier League champions Manchester City beat Crystal Palace 3-1 at Selhurst Park on Sunday to stay within two points of leaders Liverpool. REUTERS/Hannah McKay

Manchester City's Raheem Sterling scores their first goal during Premier League match between Crystal Palace and Manchester City at Selhurst Park, London, Britain, April 14, 2019. Sterling struck twice as the Premier League champions Manchester City beat Crystal Palace 3-1 at Selhurst Park on Sunday to stay within two points of leaders Liverpool. Reuters/Tony O'Brien

Manchester City's Raheem Sterling scores their first goal during Premier League match between Crystal Palace and Manchester City at Selhurst Park, London, Britain, April 14, 2019. Sterling struck twice as the Premier League champions Manchester City beat Crystal Palace 3-1 at Selhurst Park on Sunday to stay within two points of leaders Liverpool. Reuters/Tony O'Brien

Manchester City's Raheem Sterling scores their second goal during Premier League match between Crystal Palace and Manchester City at Selhurst Park, London, Britain, April 14, 2019. Sterling struck twice as the Premier League champions Manchester City beat Crystal Palace 3-1 at Selhurst Park on Sunday to stay within two points of leaders Liverpool. REUTERS/Hannah McKay

Manchester City's Raheem Sterling scores their second goal during Premier League match between Crystal Palace and Manchester City at Selhurst Park, London, Britain, April 14, 2019. Sterling struck twice as the Premier League champions Manchester City beat Crystal Palace 3-1 at Selhurst Park on Sunday to stay within two points of leaders Liverpool. Reuters/Tony O'Brien

Manchester City's Raheem Sterling celebrates scoring their second goal during Premier League match between Crystal Palace and Manchester City at Selhurst Park, London, Britain, April 14, 2019. Sterling struck twice as the Premier League champions Manchester City beat Crystal Palace 3-1 at Selhurst Park on Sunday to stay within two points of leaders Liverpool. REUTERS/Hannah McKay