Ah, I somehow missed this comment. There are lots of reasons one night need lube, a longer session, a size mismatch, use of toys during, and anal to name a few reasons.
With enough foreplay anal is possible without lube with an uncircumcised guy, but is definitely not possible with a circumcised guy.
Max Hardcore (Bless him lol, he got sent to prison for obscenity!) and Perry Woodman come to mind.
Rocco Siffredi is also not huge by pornstar standards.