Here is a list of WRs drafted in 2004, which would be players going into their 3rd year:
2004
Rd Sel# Player Pos. School
1 3 Larry Fitzgerald WR Pittsburgh
1 7 Roy Williams WR Texas
1 9 Reggie Williams WR Washington
1 13 Lee Evans WR Wisconsin
1 15 Michael Clayton WR Louisiana State
1 29 Michael Jenkins WR Ohio State
1 31 Rashaun Woods WR Oklahoma State
2 50 Devery Henderson WR Louisiana State
2 54 Darius Watts WR Marshall
2 62 Keary Colbert WR Southern California
3 77 Derrick Hamilton WR Clemson
3 78 Bernard Berrian WR Fresno State
3 82 Devard Darling WR Washington State
4 99 Carlos Francis WR Texas Tech
4 105 Samie Parker WR Oregon
4 108 Jerricho Cotchery WR North Carolina State
4 120 Ernest Wilford WR Virginia Tech
5 134 Johnnie Morant WR Syracuse
5 149 Maurice Mann WR Nevada
5 157 D.J. Hackett WR Colorado
5 163 Drew Carter WR Ohio State
5 164 P.K. Sam WR Florida State
6 168 Jamaar Taylor WR Texas A&M
6 171 Triandos Luke WR Alabama
6 195 Jeris McIntyre WR Auburn
6 199 Clarence Moore WR Northern Arizona
7 206 Mark Jones WR Tennessee
7 211 Sloan Thomas WR Texas
7 214 Jonathan Smith WR Georgia Tech
7 216 Patrick Crayton WR N.W. Oklahoma
7 244 Derek Abney WR Kentucky
http://www.nfl.com/draft/history/positions/WR