What position should i play in lacrosse? ?

I'm going to be playing lacrosse at the college I'm going to this fall and will prolly start as soon as fall ball so I was just wondering what position is right for me? I'm 6 foot 185 pounds and played football all my life. I was a running back and the best offensive player on the team. I have amazing agility and juking ability but average speed. I'm also dedicated to practicing more than I need so learning the game won't be a big deal. I'm not trying to talk myself up just letting you guys know everything. Also if anyone has used a katana sc shaft by stx could you let me know how you liked it? I was thinking about getting that as long as I don't end up playing d