 Kọ itẹsiwaju fun paragirafi yii - Awọn Pittsburgh Steelers yan Rainey ni iyipo karun, yiyan 159th lapapọ, ti NFL Draft 2012 : , ati ẹgbẹ naa kede pe o ti fowo si adehun ọdun mẹrin ni Oṣu Karun ọjọ 6, Ọdun 2012. O ṣe ifilọlẹ fun awọn Steelers lodi si Denver Broncos ni Oṣu Kẹsan Ọjọ 9, Ọdun 2012 o si ṣe ami ifọwọkan NFL akọkọ rẹ lodi si Cincinnati Bengals ni Oṣu Kẹwa Ọjọ 21, Ọdun 2012. 