De Gea, Cleverley, Jones, Smalling, Fabio, Rafael and Welbeck are for the future. They all have potential, but they need experience and more importantly nurturing from top players.
Fergie is pretty much spot on when he stated that there are few established midfielders that could aid our situation. Most are either not for sale, hardly experienced or lack in certain areas.
A player similar to De Jong/Yaya Toure to boss the midfield and put hard crunching tackles in when needed. Then someone like Ozil/Silva/Iniesta that has the skillful and goalscoring attributes, but can also ping passes all over the place.
Ok, of that list of players, De Gea is an established keeper, he can get better but to act like he's a youth player with potential is madness, Cleverley is actually both young and hasn't played much, he has real potential to be a top player. Raf and Fabio haven't shown much at all defensively, Rafael has played plenty, he gets forward a lot, which people mistake for being great going forwards, he's mistake prone, mouthy, wrong attitude and not particularly good defensively, can't see either becoming world class fullbacks at all. Likewise Welbeck has played 2 first team seasons basically and looks basically rubbish, he won't ever come close to Rooney and can't even dream of being in RVP/Aguero/Falcao/Messi/Ronaldo's league, little to no potential of him being much above where he is now, which is no where for a top of the league player.
The second paragraph is simply wrong, few players could help, rubbish, few available, rubbish. Arteta would have done a hugely better job than ANYONE they've played in central midfield in the defensive role, was available, cheap and would have improved you plenty. There are dozens of players that would improve you in central midfield, hundreds, and most of them are available to a team like Utd.
You don't need an Iniesta to improve Utd in central midfield, Steven Ireland would improve you in central midfield, there is probably a central midfielder at almost every club in the league that could have improved Utd this season, utter utter tosh that its hard to improve.
Arteta instead of playing Park in central mid, Giggs, Anderson. Go over to Spain and look at central mids in any team but the top two and you have better players, available and clubs struggling with debt.