He rejoined St. Andrews precisely 2 months later on 1 September, scoring one goal in the league since his return.
On 21 September, Peña assisted his side in a 3–0 win over Maltese side Sliema Wanderers with a solo goal where he ran the full length of the pitch and performed a Zidane-turn followed by a nutmeg on two remaining defenders before slotting the ball into the bottom right corner.
He made his league debut for the club on 6 January, coming on as a 71st minute substitute for Denni in a 1–0 victory over Senglea Athletic.
[7] On 10 August 2016, Peña was called up to Dominican Republic national team for two friendlies against Puerto Rico.
[8] He made his international debut late in the month, starting in a 5–0 win in an unofficial friendly.