I'm far from anything of a SJax fan but I wouldn't do this trade if I were you (I like Brown even less than I like Jax). Owens will be good some weeks and completely invisable others. My gut just tells me no, I don't like it.
This aint a NYC auto garage, if it aint broke, dont fix it.
12 team redraft: Rivers (Q1), CJ (R1), McFadden (R2), B Wells (R3), Caddy (R4), Forsett (R5), AJ (W1), Fitz (W2), Royal (W3), Sims-Walker (W4), V Jax (W5), V Davis (T1), Kaeding (K1), Jets (D1)