Let the speculation begin.
Except for TA's wild card, all the 2006 main draw and qualifying wild cards went to American players age 22 & under:
http://www.menstennisforums.com/show...1&postcount=80
Highest-ranked Americans age 23 & under (as of 8/13/07):
Rank Name (Age)
153 Odesnik, Wayne (21) MD WC
182 Kuznetsov, Alex (20) MD WC
192 Isner, John (22) MD WC
199 Ram, Rajeev (23) QD DA
232 Young, Donald (18) MD WC
250 Sweeting, Ryan (20) MD WC
266 Evans, Brendan (21) QD DA
323 Jenkins, Scoville (20) QD WC
330 Simmonds, Phillip (21) QD WC
359 Cook, Lester (23) QD WC
374 Oudsema, Scott (21) QD DA
393 De Heart, Ryler (23) QD WC
461 Kryvonos, Nikita (20) QD WC
483 Levine, Jesse (19) MD WC
615 McClune, Michael (17) MD WC
685 Yim, Robert (22)
703 Fass, Adam (22)
715 Bruch, Matt (22) QD WC