Perhaps 250 members of SABR [at least 240, judging by the vote for Ed Summers reported here] selected "retroactive" Rookies of the Year beginning in 1900, in elections conducted by Lyle Spatz, who reported in The Baseball Research Journal 1986. The detail vote was omitted from that report, for lack of space. The detail for 1901-10 is published here for the first time; 1911-46 remains unpublished.
SABR mimicked the process used by the BBWAA for the official award since 1980: each voter ranked as many as three candidates; 1st, 2d, and 3d votes were counted as 5, 3, and 1 points.
Rookies of the Year named by Bill Deane and STATS are noted, where they differ from those named by SABR.
National League, 1901-10
1901
Christy Mathewson 1030
Jack Harper 560
Kitty Bransfield 473
Otto Krueger 67
Tom Hughes 24
Lefty Davis 21
Doc White 10
1902
Homer Smoot 852
Mike O'Neill 528
George Barclay 417 (three SL Cardinals in the top three spots)
Carl Lundgren 118
Joe Tinker 110
Ed Greminger 89.5
George Browne 26.5
Pop Williams 8
Ham Iburg 1
Stan Yerkes 1
Clarence Currie 1
1903
Jake Weimer 1091
Johnny Evers 312
Oscar Jones 285
Henry Schmidt 270
Jimmy Sebring 214
Ed Phelps 11
1904
Harry Lumley 803.5
Hooks Wiltse 549.5
Tom Walker 263.5
Mike Lynch 186.5
Miller Huggins 170
Art Devlin 90
Jim Delahanty 79
Spike Shannon 27
Fred Odwell 9
Frank Corridon 1
1905
Ed Reulbach 1039
Irv Young 584
Del Howard 342.5
Frank Schulte 143.5
Orval Overall 24
Charlie Chech 20
Mickey Doolan 20
Jake Thielman 1
1906
Jack Pfiester 1143
Jim Nealon 365
Fred Beebe 294
Tim Jordan 226
Hans Lobert 66
Vive Lindaman 59
Pug Bennett 21
Lew Richie 4
1907
Nap Rucker 928 (smallest margin)
Mike Mitchell 912 (named by STATS)
Bobby Byrne 170
Mike Mowrey 53
George Bell 50
Otto Knabe 37
Lew Moren 15
1908
George McQuillan 1217
Bob Spade 522
Joe Delahanty 145
Billy Campbell 98
Bill Foxen 88
Doc Crandall 29
Al Shaw 23
Dode Paskert 20
Owen Wilson 15
1909
Babe Adams 781 (least vote for a winner)
Dots Miller 681 (named by Bill Deane)
Harry Gaspar 615 (closest three-way contest)
Dick Egan 41
Al Mattern 36
Bill Abstein 20
Rube Marquard 18
Rube Ellis 7
Ed Lennox 3
Rebel Oakes 3
STATS named Dick Hoblitzel, 32 games and 114 atbats in 1908
1910
King Cole 1185
Josh Devore 349
Fred Snodgrass 216.5
Jake Daubert 175.5
Vin Campbell 90.5
Doc Miller 53
Louis Drucke 42.5
Cy Barger 38
Bill Collins 13
American League, 1901-10
1901
Socks Seybold 928
Roscoe Miller 779
Irv Waldron 135
Earl Moore 105
Roy Patterson 85
Fred Parent 85
Erve Beck 21
Bill Coughlin 13
Eddie Plank 13
George Winter 10
Case Patten 7
Ed Siever 1
1902
Addie Joss 1000
Patsy Dougherty 823 (named by STATS)
Harry Bemis 297
George Mullin 59
1903
Chief Bender 984
Charlie Carr 818 (named by STATS)
Norwood Gibson 251
Lee Tannehill 57
Charles Moran 39
Weldon Henley 10
Hunter Hill 5
1904
Fred Glade 918
Frank Smith 779
Joe Cassidy 223
Otto Hess 188
Gus Dundon 26
Terry Turner 25
1905
George Stone 1216
Bill Hogg 255 (largest margin)
Emil Frisk 229
Ben Koehler 213
Hal Chase 177
Jim Buchanan 13
1906
Claude Rossman 1037
Jack Coombs 516
Dave Altizer 257
Frank LaPorte 219
Jimmy Dygert 99
Charlie Smith 26
1907
Glen Liebhardt 978
Simon Nicholls 794 (named by Bill Deane and STATS)
Walter Johnson 270.5
Joe Birmingham 88.5
Denny Sullivan 44
1908
Ed Summers 1220 (greatest vote)
Amby McConnell 325
Ed Cicotte 238
Rube Manning 169
Eddie Collins 111
Neal Ball 33
Harry Lord 23
Jerry Freeman 15
Joe Lake 5
1909
Harry Krause 970
Frank Baker 854 (named by Bill Deane and STATS)
Donie Bush 249
Clyde Engle 51
Jim Scott 43
Jimmy Austin 9
Jack Warhop 3
Bob Groom 1
1910
Russ Ford 1211
Duffy lewis 643
Jim Vaughn 142
Larry Gardner 90
Willie Mitchell 66
Rollie Zeider 12
Still need 1911-1919 for both leagues. --Lyle Spatz
Acknowledgment. Lyle Spatz.