Your team is comprised with a typical QB from haoxiuyun's blog

Your team is Mut 23 coins comprised with a typical QB (not as much as that on the roster for pass offense) as well as a RB. On defense you will be able to block the pass during the initial ladder games, but you'll likely struggle with offense, especially 

when you are playing the passing game (when throwing the ball to anyone other than your top defense back). The first few development points you earn should be spent in improving your RB, so you can concentrate on rushing and a solid defense.

The selection of a roster with a rush offense kind is perhaps the most straightforward method to start off with success with NFL Challenge. Running is simple. Select a play to run and hand it off to your mighty running back, 

and then plow through the line or scurry across the field and across the field. Additionally, it will help get you quickly familiar with the move style system since you'll be able to cover more field space than should you try to pass through the field on every play.

The rush offense is an ideal running back for the beginning with a great speed and running power. He'll need ability to catch and move with agility and getting a boost of speed over time to make him more flexible; and the fact that he's not a great (but quick) defensively and will definitely require assistance in buy madden nfl 23 coins covering and tackling.