Hmmm... great idea, but it's remarkable how few guys have rooted for a team or teams as opposed to a collection of All Stars. A lower cap and/or lower games played by draftees might produce teams of actual favorites. That said:
DOB: 1954
First game; 1961
DH: No
C: Gary Carter
1B: Eddie Murray
2B: Chase Utley
SS: Luis Aparicio
3B: Brooks Robinson
OF: Tim Raines
OF: Richie Ashburn
OF: Larry Walker
SP: Dave McNally
SP: Steve Carlton
SP: Pedro Martinez
SP: Pascal Perez
RP: Koji Uehara
WC: Jim Gentile 1961