An incident over pine tar marks Washington’s 4 – 0 win over Miami at Marlins Park. Marlins manager Ozzie Guillen objects to the amount of the black substance on rookie Bryce Harper’s bat in the 1st inning, complaining to umpire Marty Foster, who asks Harper to use another weapon next time. When Harper comes back to the plate in the 4th, he mockingly points his bat at Guillen, who explodes with a string of shouts in his direction. After the game, the fiery skipper explains that he found Harper’s gesture disrespectful and unprofessional.

This Day In Baseball

On July 15, 2012 An incident over pine tar marks Washington’s 4 – 0 win over Miami at Marlins Park. Marlins manager Ozzie Guillen objects to the amount of the black substance on rookie Bryce Harper’s bat in the 1st inning, complaining to umpire Marty Foster, who asks Harper to use another weapon next time. When Harper comes back to the plate in the 4th, he mockingly points his bat at Guillen, who explodes with a string of shouts in his direction. After the game, the fiery skipper explains that he found Harper’s gesture disrespectful and unprofessional.

Source
Baseball Reference July 15