Topa was a four-year letter winner at Chenango Valley High School where he led his team to the Section 4 Class-B Championships in 2008 and 2009.

He was named to the All-Conference team and third-team All-State squad as a pitcher while also earning All-Division as a second baseman.

[1] Topa attended LIU Brooklyn where he finished his college baseball career with 20 wins, 200 strikeouts and 13 complete games.

Topa spent 2014 with the West Virginia Power, before receiving a promotion in 2015 to the Bradenton Marauders, with whom he would play for through the 2016 season.

Topa relieved starting pitcher Josh Lindblom and pitched two innings allowing two runs on two hits while striking out two.

[14] On January 7, 2023, the Brewers traded Topa to the Seattle Mariners for minor league pitcher Joseph Hernandez.

On January 29, 2024, the Mariners traded Topa, Anthony DeSclafani, Gabriel González, Darren Bowen, and cash considerations to the Minnesota Twins in exchange for Jorge Polanco.