Warrior General Games

I signed these 2 LB 's and i dont know where to put them , LOLB and ROLB

http://goallineblitz.com/game/player.pl?player_id=1299155 - Jackson

http://goallineblitz.com/game/player.pl?player_id=1394667 - Good Times

i am running a 4-3 and i already have a MLB that has alot of strength but can decide about LOLB and ROLB

First of all Jackson's build is closed so no way to judge.