Possible Clues:

• Fly catcher
• Player near the boundary in cricket
• Baseball player shot due to rifle
• He won't catch you out in a silly position
• One who is deep in the letters of Freud and Eliot
• Sporting type's competition in ring
• His position isn't silly, although upheld by unpopular senior figure
• Warning track treader
• Bonds, e.g.
• One who is deep, not silly