I was drafted as a wide receiver, but I'm primarily known for my rushing ability in the NFL. I was a Heisman Trophy finalist and had a very successful collegiate career. I've played for multiple NFL teams, and I'm known for my unique ability to throw a football as a running back. Who am I?

1. I was drafted in the top 20 of the NFL draft.
2. I played college football in the Pac-12 conference.
3. I have over 40 career rushing touchdowns.
4. I have thrown multiple touchdown passes in the NFL.