Check out this
Rivals premium article...his coach addresses the issue about his speed, stating that he is aware that some are concerned about Brandon's speed, but that he ran a 4.6 at the NIKE Combine at Virginia Tech. The article also mentions that Brandon heavily favors Miami but that he has not received an offer in writing yet.
I am not sure what to believe because after checking the Rivals Combine database, Brandon is listed as having run a 4.75 at the Charlottesville NIKE Combine and is not listed as having run the 40 at the Blacksburg NIKE Combine, although he did test in the shuttle (4.21), bench (20 reps) and vertical leap (29.4 inches). His numbers from the Charlottesville after the 4.75 were a 4.45 in the shuttle, 12 reps on the bench and a vertical leap of 28.1 inches...substantially lower than the numbers he put up in Blacksburg.
Despite all of this, he is listed in both databases as having offers from the top programs in the country...so there must be something else. Maybe schools are looking at him as a LB or something?