There's probably a thread on this but ...
... all-time Jays team would be ...
C - Darrin Fletcher (.291 AVG, 18 HRs, 80 RBIs - 1999)
1B - Carlos Delgado (.344 AVG, 41 HRs, 137 RBIs, 57 2Bs, 123 BBs - 2000)
2B - Roberto Alomar (.326 AVG, 17 HRs, 93 RBIs, 55 SBs, 80 BBs, GoldGlove, 1993)
SS - Tony Fernandez (.322 AVG, 5 HRs, 67 RBIs, 32 SBs, GoldGlove - 1987)
3B - Kelly Gruber (.274 AVG, 31 HRs, 118 RBIs, 14 SBs, GoldGlove - 1990)
LF - George Bell (.308 AVG, 47 HRs, 134 RBIs, 111 Runs, MVP - 1987)
CF - Devon White (.273 AVG, 15 HRs, 52 RBIs, 116 Runs, 34 SBs, GoldGlove - 1993)
RF - Shawn Green (.309 AVG, 42 HRs, 123 RBIs, 134 Runs, 45 2Bs, GoldGlove - 1999)
DH - Joe Carter (.264 AVG, 34 HRs, 119 RBIs, 97 Runs - 1992)
SP - Roger Clemens (21-7 W-L, 2.05 ERA, 264 IP, 292 SO, 9 CG, CYYOUNG - 1993)
SP - Dave Stieb (16-8 W-L, 2.83 ERA, 267 IP, 198 SO, 11 CG - 1984)
SP - Roy Halladay (22-7 W-L, 3.25 ERA, 266 IP, 204 SO, 9 CG, CYYOUNG - 2003)
SP - Pat Hentgen (20-10 W-L, 3.22 ERA, 265 IP, 177 SO, 10 CG, CYYOUNG - 1996)
SP - Jimmy Key (17-8 W-L, 2.76 ERA, 261 IP, 161 SO, 8 CG - 1987)
RP - Tom Henke (0-6 W-L, 2.49 ERA, 34 SV, 94 IP, 128 SO - 1987)
RP - Duane Ward (2-3 W-L, 2.13 ERA, 45 SV, 71 IP, 97 SO - 1993)
RP - Mark Eichorn (14-6 W-L, 1.72 ERA, 10 SV, 157 IP, 166 SO - 1986)
RP - Victor Cruz (7-3 W-L, 1.71 ERA, 9 SV, 47 IP, 51 SO - 1978)
RP - Jerry Garvin (4-7 W-L, 2.29 ERA, 8 SV, 82 IP, 52 SO - 1980)
I put Jerry Garvin in 'cause I couldn't think of a lefty from the bullpen.
You could argue for;
John Olerud (.363 AVG, 24 HRs, 107 RBIs, 54 2Bs, 109 Runs - 1993)
Willie Upshaw (.306 AVG, 27 HRs, 104 RBIs, 99 Runs, 7 3Bs - 1983)
Paul Molitor (.322 AVG, 22 HRs, 111 RBIs, 121 Runs - 1993)
Vernon Wells (.317 AVG, 33 HRs, 117 RBIs, 118 Runs, 49 2Bs - 2003)
Jesse Barfield (.289 AVG, 40 HRs, 108 RBIs, 107 Runs, GoldGlove - 1986)
Jack Morris (21-6 W-L, 4.03 ERA, 241 IP, 132 SO, 6 CG - 1992)
Doyle Alexander (17-6 W-L, 3.13 ERA, 262 IP, 139 SO, 11 CG - 1984)
Paul Quantrill (6-7 W-L, 1.94 ERA, 5 SV, 88 IP, 55 SO - 1997)
Billy Koch (9-3 W-L, 2.63 ERA, 33 SV, 78 IP, 60 SO - 2000)
Juan Guzman (16-5 W-L, 2.64 ERA, 180 IP, 165 SO - 1992)
Dennis Lamp (11-0 W-L, 3.32 ERA, 2 SV, 105 IP, 68 SO - 1986)