I like Taylor more this year. He still has a lot of tread on those tires, and is in my opinion a better all around RB. I see the touches favoring Taylor slightly by the end of the year.
I like Taylor as a player, but I am wondering where the fantasy love is coming from. In 8 seasons, he's had more than 900 yards from scrimmage twice (once when he was a starter and got the ball a ton). He's scored 6 TD in a season three times (with a high of 7 once). His ypc has fallen 1.8 yards over the past couple of seasons and he'll be 31 early in the season. I don't see how he is better in any way, shape, or form than what Forte has to offer at this point.
Forte averaged 3.6 YPC last year. Then again, so did Taylor. The difference is that Taylor has a career YPC of 4.3, while Forte has YPCs of 3.6 and 3.9 in his two years of play. Taylor, on the other hand, has a YPC of over 4.3, has very few miles on him, and is one year removed from an impressive 5.4 YPC. Martz has no allegiance to either, but the Bears went out and spent a substantial amount of money on a 30 year old running back who was considered the best RB available in free agency, and Martz played Marshall Faulk until he was 32. I don't think Taylor is going to be the starter, but I don't think Forte has any lock on the starting job or on more than 60% of the touches. Taylor has a chance to be a spot contributor and maybe more if Forte, who kind of sucks, stumbles. That makes him an above average backup RB in redrafts.