He is a previous member of the MLB organization Cleveland Indians and has most recently spent time with Kotlarka Prague in the Czech Extraleague.

In the 2014-15 Australian Baseball League season, he started playing infield for the first time since his junior years.

Nilsson's injury free streak rolled into 2015, when he signed with Kotlarka Praha in the Czech Extraliga and in 24 games, hit .408/.463/.980 with 14 homers.

This form would continue into the 2015-16 Australian Baseball League season, where he hit .284/.363/.480 as an everyday player and integral part of the Bandits first of four consecutive ABL championships.

Nilsson spent most of the time playing in minor development leagues before an unfortunate shoulder injury ended this stint in late 2013.