Marius Victorinus was a plationist philosopher that converted to Christianity near the end of his life, supposedly his conversation had made a great impact on Augustine. However I have seen people claim he had taught Sola Fide! Do we have an expert in this forum that can find some Catholic commentary on his work? There are many Evangelicals that claimed he taught Sola Fide.

Here is one for example (starts on page 3)

I was under the impression that Sola Fide championed by Martin Luther in the 16th century as a reaction to the corruption and problems of the Catholic Church