Niemelainen was put on waivers by Edmonton on Friday.
Niemelainen was recalled from AHL Bakersfield on Wednesday.
Niemelainen was reassigned to AHL Bakersfield on Monday.
Niemelainen was summoned by Edmonton on Friday.
Niemelainen was reassigned to AHL Bakersfield on Friday.
Niemelainen was recalled from AHL Bakersfield on Monday.
Niemelainen was sent to AHL Bakersfield on Saturday, according to the Oilers' website.
Niemelainen inked a two-year, $1.5 million extension on Thursday.
Niemelainen was assigned to AHL Bakersfield on Tuesday.
Niemelainen posted an assist in Saturday's 4-3 win over the Panthers.