Portland Timbers will look to get back to winning ways when they take on Seattle Sounders in a Cascadia derby on Sunday.Portland Timbers crashed out of the CONCACAF Champions League on Thursday after suffering a 3-1 defeat in the second leg of their quarter-final tie. The Timbers had held Club America to a 1-1 draw in the first leg but were outplayed in the second on a rainy night at the Estadio Azteca.The Timbers did create a couple of good chances in the second half but weren't as clinical as Club America were. Giovanni Savarese's men will now focus on their MLS campaign, which has got off to a rather poor start."We showed that we can compete at this level."@erykw19 reflects on a hard-fought #SCCL21 quarterfinal series. #RCTID pic.twitter.com/Ks0QV5sA3Y— Portland Timbers (@TimbersFC) May 6, 2021They lost 1-0 to Vancouver Whitecaps in their season opener but bounced back to register a 2-1 win over Houston Dynamos in their second outing. However, they fell to a heavy 4-1 defeat in their latest MLS game against FC Dallas and are currently 12th in the MLS Western Conference standings after finishing third in the regular season in 2020.Meanwhile, their rivals Seattle Sounders have got off to a good start, registering resounding wins against Minnesota United and LA Galaxy on either side of their 1-1 draw against LAFC. Raul Ruidiaz has been in great form for the Sounders and has scored four goals from three appearances so far this season.Brian Schmetzer's side sit atop the Western Conference standings and will be looking to build on their early-season momentum when they clash with the Timbers in the Cascadia derby at Providence Park on Sunday.Portland Timbers vs Seattle Sounders Head-to-HeadIn the last ten meetings between Portland Timbers and Seattle Sounders, the former have won five times. Seattle Sounders have registered three wins while two matches have ended as draws.The last time these two sides squared off was in October last year and the match ended in a 1-1 draw.Portland Timbers form guide: L-W-D-L-LSeattle Sounders form guide (including friendlies): W-W-W-D-WPortland Timbers vs Seattle Sounders Team NewsPortland TimbersJaroslaw Niezgoda and Sebastian Blanco are still recovering from the ACL injuries they suffered in 2020 and are unavailable for selection. Aljaz Ivacic recently underwent surgery and is set to be out for a while. Ismaila Jome ruptured his Achilles tendon and has been ruled out for the season.Cristhian Paredes and Steve Clark have suffered muscle strains on their thighs and are unavailable as well.Injuries: Jaroslaw Niezgoda, Sebastian Blanco, Aljaz Ivacic, Ismaila Jome, Cristhian Paredes, Steve ClarkDoubtful: NoneSuspensions: NoneSeattle SoundersFredy Montero has returned to training for Seattle Sounders and is likely to feature against Portland Timbers. Joshua Atencio suffered a quad injury and is unavailable while Jordan Morris has been ruled out for the season after suffering an ACL injury during his loan spell at Swansea City.Injuries: Joshua Atencio, Jordan MorrisDoubtful: NoneSuspensions: NonePortland Timbers vs Seattle Sounders Predicted LineupsPortland Timbers Predicted XI (4-2-3-1): Jeff Attinella; Claudio Bravo, Dario Zuparic, Larrys Mabiala, Jose Van Rankin; Diego Chará, Eryk Williamson; Diego Valeri, Dairon Asprilla, Yimmi Chara; Felipe MoraOur Sounders Family. After a stunning finish, @RaulRuidiazM celebrated with a group of youngsters from our team bubble. 😊 pic.twitter.com/vdWUOwdiwx— Seattle Sounders FC (@SoundersFC) May 3, 2021Seattle Sounders Predicted XI (3-5-2): Stefan Frei; Nouhou Tolo, Yeimar Gomez, Shane O'Neill; Brad Smith, Alex Roldan, Kelyin Rowe, Joao Paulo, Cristian Roldan; Will Bruin, Raul RuidiazPortland Timbers vs Seattle Sounders PredictionPortland Timbers have struggled so far this season. They played Club America on Thursday and will take on the well-rested Seattle Sounders, who have been able to get a good week's layoff. It's going to be real hard for Portland Timbers to eke out a positive result on Sunday.Prediction: Portland Timbers 1-2 Seattle Sounders