I've never once heard an opposing team ask another team to not celebrate on their field because of "safety." Sounds more like the D-backs have some sour grapes over choking away the division they led as late as July 21.
2014 Obligatory Attendance & Record Tracker
LAST GAME: April 16 - Boston 6, Sox 4 (14)
NEXT GAME: April 26 vs. Tampa Bay