Thanks for everyones advice,
Luckily, I was able polish out the scuffs on the driver's side sewn-in mat using rubbing compound and a lot of masking tape to protect the surrounding carpet. Also, regarding the "fuzz" in the looping that made the carpet look terrible...I found two options after much research...
Option #1) A gas torch set to its lowest heat. Using quick movements, you can burn off the stray nylon fibers (not for me...too risky for obvious reasons)
Option #2) An "electric fabric shaver" although they are marketed for sweaters. I bought mine online with the concern that the nylon fibers in carpeting might be too much and jam the dinky machine but it worked great and now my carpet looks new!