On January 1, 2010, Poropat was signed by Latvian side BK Ventspils as their new head coach.

In the 2011–12 season, Poropat won the second division ProA with Mitteldeutscher and promoted to the Basketball Bundesliga.

[4] On May 31, 2017, Poropat signed a two-year contract with New Heroes Den Bosch of the Dutch Basketball League.

[6] Den Bosch finished fourth in the standings and was eliminated in the quarter-finals by fifth seed Rotterdam.

On the first day of the start of his second season with Den Bosch, Poropat and New Heroes parted ways.