Of 258 dogs that were grandfathered to receive the PACH title prior to July 1, 2011.

From the AKC page of dogs grandfathered, only 1 Rottweiler to get a PACH2:
PACH2 Silverhill’s Rustic Acres Boch CD RE PT MXP6 MJP7 PAX2 MFP TQXP ROTTW
PACH2
6/11/2011
Maria Walker – Way to go Maria!