Cassius Scaevus

Cassius Scaevus was a centurion of Caesar's 8th legion. Scaevus fought in his battle of Dyrrachium in his fort, his cohorts senior centurions were injured, he took command. He fought back and drove the attacking Pompeian cohort's back to the city. When Caesar arrived, he awarded Scaevus Primus Pilus status, was given triple his pay in denarii and was recorded to have over 200 Pompeian arrows in his scutum. Caesar was so impressed, he promoted Scaevus to his Legio X Fretensis and continued to serve after the death of the tenth's Primus Pilius, Gaius Crastinus, at Pharsulus.

References

http://en.wikisource.org/wiki/Commentaries_on_the_Civil_War/Book_3#53