Complex sentence: In July of 2012, Topps released their 2012 Topps Allen & Ginter Baseball set, which includes autographs and worn shirt memorabilia cards of Wendel.
Split into simpler sentences: In July of 2012, Topps released their 2012 Topps Allen & Ginter Baseball set. In it, you can find autographs and worn shirt memorabilia cards of Wendel.