Possible Clues:

• Baseball position
• Cal Ripken Jr. or Pee Wee Reese
• Baseball player’s casual two-piece outfit?
• *Position once played by Derek Jeter (... letters 1-3)
• Baseball player's casual clothing combination
• Position of diamonds in one item of clothing and another
• Baseball player's gear suitable for athletes
• American player in two garments
• Fielder's items of clothing
• Derek Jeter, for one