Are he below mentioned sentences correct? Please advise

  1. The milk cannot be put out on the table because it’s hot in here and it will spoil very quickly.
  2. The milk cannot be leave out on the table because it will spoil easily.
  3. The national football team is undergoing revolution of playing style and the new style is out of synch/opposes with the player’s philosophy, characteristic and identity. Due to that reason, they under perform in major tournament.
  4. The way the team play is out of synch of its traditional identity/characteristic.
  5. He has not hit the ground running in the competition.

Are the above mentioned sentences correct? Please advise.