TOP OF the table Port Adelaide have been further boosted by the news that Steven Salopek and Troy Chaplin could come back into the lineup for Sunday's away game against Sydney.

Both players will undergo fitness tests later in the week as the Power prepare for one of their toughest assessments of the season.

Veteran defender Darryl Wakelin says avoiding injuries will be crucial to turning the club's 6-1 start into a top-four spot at the end of the year.