[1] During his college years, Attinella also played with the Bradenton Academics of the USL Premier Development League.
Attinella saved three penalties in the Rowdies' NASL Championship victory against Minnesota Stars FC to capture the Soccer Bowl trophy.
Following a successful second season with the Rowdies, Real Salt Lake of MLS announced that they had signed Attinella on December 3, 2012.
He made his RSL debut as a second-half sub for an injured Josh Saunders in a 3–0 win against FC Dallas on July 13.
[7] In mid-2019, Attinella underwent surgery to repair an anterior labrum tear in his right shoulder, which caused him to miss the second half of the 2019 MLS season.