Hello and welcome to the forum!
I think the easiest solution for you would be to create a new calculated field which cleans up this difficulty for you automatically.
Let's name your field in the template PrePlayer.
Now in the Table window, create the calculated field named Player, and give it this formula:
[font="courier"]Trim(PrePlayer) /font[/quote]Finally, be sure to move the Player field next to the PrePlayer field and hide the PrePlayer field. That way you won't need to make any changes in your Excel work as the output will have the same structure it did before you made these changes.