Trengove is expected to be sidelined for approximately 10 weeks.
Port Adelaide high performance manager Darren Burgess said:
“Jackson’s metatarsal fracture required surgical fixation with the insertion of a screw.
“He will re-commence running in approximately six weeks and we expect his full rehabilitation program to take ten weeks.”
As a result, rookie-listed midfielder Kane Mitchell has been re-elevated onto the senior list after playing the first three games of the season
See the full injury list here