Sahih Muslim · Hadith 6403
The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet - كتاب فضائل الصحابة رضى الله تعالى عنهم
وحدثناه أبو بكر بن أبي شيبة، حدثنا أبو أسامة، حدثنا هشام، بهذا الإسناد وزاد تعني أبا بكر والزبير .
This hadith has been narrated on the authority of Hishan through the same chain of transmitters but with this addition (that by both fathers of yours) he meant Abu Bakr and Zubair.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).