Assuming you mean the plain #571 and not the Walmart or Target variations, I have an extra one.
Needs for Series 2:
Diamond Star: 13
Kimball Champions: 51,53,56,63,68,95,96,100
Topps 60: 54,55,63,68,71,72,78,79,80,82,92
In particular if you have T60 #78 or anything in the site mentioned below.