Can Dan Cullen bowl a doosra?

I ask because I saw him bowl balls spinning from leg to off during the warmups last night (the warmups was the only time I was in line with the bowler). Some of them I picked as leg breaks, but others I didn’t, making me wonder if he can bowl a doosra now. It’s equally possible that I wasn’t paying close enough attention to his hand. Other notes from last night’s game: – What would…

"Can Dan Cullen bowl a doosra?"