Is this a am staff? Is hard to tell based google images alone(they are not consistent). I know am staff and staff bull terrier are very similar but different in size. :
Boris One Bull Staff - SBTpedigree database
Pin on Staffordshire Bull Terriers
Staffordshire Bull Terrier Dog Breed Information | Purina
Staffordshire Bull Terrier - Wikipedia
Portrait Of A Cute Staff Bull Dog Smile And Happy In Summer Sunny Day For A Walk In The Summer Park Stock Photo - Download Image Now - iStock
Božan One Bull Staff - SBTpedigree database
Sitting Staff Bull Dog in the Garden Stock Image - Image of adorable, outdoor: 233469805
Ravenstaff Staffordshire Bull Terriers | Havelock North
37 Staff Bull Terrier Photos and Premium High Res Pictures - Getty Images
Adorable Staff Bull Dog during Cold Day Stock Photo - Image of breed, mammal: 210402290
Adorable Staff Bull Dog Poses in Snow Stock Photo - Image of blue, terrier: 211226658