|Umpire Brian O'Nora|
UPDATED: This story initially cited erroneous reports from NBC Sports and Yahoo! Sports alleging O'Nora's use of tobacco products. As announced by MLB_PR, those claims were false.
Swallowing chah has been known to cause esophageal irritation and induce nausea and vomiting.
There was a nine-minute delay as umpire Adrian Johnson exited to the dressing room to don the plate gear; O'Nora did not return.
Video: O'Nora runs off the field in the first, Johnson summoned to replace him at home (NYM)