Classic Uniforms
To dress your team in classic uniforms, go to the Setup screen and change the Uniform selection from Standard to Classic.

How to Get Medals
All of the Medals that you earn in Franchise mode are based on team stats, and where you finished in these categories in the league.
Gold = 1st
Silver = 2nd
Bronze = 3rd

Great Glove - best fielding %
Pitching Ace - best ERA
Strikeout King - most Ks
Speed Demon - most SBs
Golden Slugger - most HRs
Batting Champ - best batting avg.
Dominant Team - Most wins in regular season
Cellar Dweller - Most Losses in regular season
Tightwad - least BP spent
Big Spender - most BP spent

Get best players
Play in season or franchise mode. Offer trades for the best players, then override their rejections if they refuse.