The new Timbers boss was introduced onTuesday and said that the Scottish striker does not necessarily fit into the style of play that he wants to introduce at the club
The 37-year-old boss moved to address Boyd's standing with the club at his unveiling, hinting that the forward may have to look at securing a move elsewhere if he wants to play regularly in the coming campaign.
The reasoning behind this seemingly tough stance is that Boyd's lumbering, target-man style may not be conducive to adjusting to Porter's fluid, high tempo system and it appears as if the Scotland international's days are numbered, even being linked with a move back to former club Rangers.
"Kris Boyd is a player that I think will have a hard time fitting in with this system," Porter told reporters.
"[Boyd] will have a hard time playing the way we want to play."
The 29-year-old's high salary figure (he made $1.25 million in base salary in 2012 according to MLS Players Union documents) has made him an unappealing trade target within MLS.
Competition for places looks set to be fierce at the club next season given that the squad already boasts a wealth of attacking options including Nigeria international Bright Dike and the likes of Darlington Nagbe, Danny Mwanga and Ryan Johnson.