There are four matches on tap this weekend to round-out week 10 of the NWSL season. With the national teams for the United States, Canada, Wales and Australia playing friendlies this weekend and next week, there are a total of 29 players out of action. FC Kansas City was hit hardest with six of their starters not available for their match against the Chicago Red Stars on Sunday.

Here are a few notes on all four matches scheduled this weekend:

Washington Spirit (1-4-3 6pts) vs Western New York Flash (4-2-2 14pts)
Saturday, 7:00pm EDT
Maryland Soccerplex / Boyds, Md.
Click here to watch live stream

Both teams will be without players due to national team call-ups. Abby Wambach, Carli Lloyd and Samantha Kerr will be out for the Flash while the Spirit will be without Robyn Gayle, Ali Krieger and Diana Matheson.

Two new players will be available for the Spirit as Mexican Women’s National Team veteran Teresa “Lupita” Worbis arrived in late May after completing architecture degree, while recent signing and U.S. U-23 Women’s National Team defender Toni Pressley gained her international clearance on Thursday. Germany Women’s National Team veteran Conny Pohlers did not receive international transfer paperwork in time for Saturday’s game.

Ashlyn Harris is projected to once again be the starting goalkeeper Saturday night for the Spirit as she was not called into the USWNT for the upcoming matches against the Republic of Korea.

Western New York Flash’s defender Alex Sahlen is listed as probable as she is recovering from a right wrist fracture.

FC Kansas City (5-3-1 16pts) vs Chicago Red Stars (2-5-2 8pts)
Sunday, 4:10pm EDT
Verizon Wireless Field / Overland Park, Kan.
Click here to watch live stream

This will be the second meeting between the clubs in less than 72 hours with FC Kansas City winning the first battle 2-0.

Between both clubs, eight players will be out of the lineup due to international duty. FC Kansas City will be without Lauren Cheney (USWNT), Kristie Mewis (USWNT), Beckey Sauerbrunn (USWNT), Nicole Barnhart (USWNT), Lauren Sesselmann (CANWNT) and Desires Scott (CANWNT). The Red Stars will be without goalkeeper Erin McLeod (CANWNT) and defender Carmelina Moscast (CANWNT).

FC Kansas City might also be without forward Renae Cuellar as she is still recovering from a sprained ankle and sprained MCL. The league is listing Cuellar as questionable for Sunday’s match-up.

Jamie French, Natalie Norris and Missy Geha were all called-up by FC Kansas City for the team’s first match against Chicago on Thursday and are expected to be available on Sunday as well.

Chicago’s Leslie Osborne, who has been recovering from a right knee mcl sprain, is listed as probable for the match.

Portland Thorns FC (7-2-1 22pts) vs Seattle Reign FC (0-8-1 1pt)
Sunday, 5:00pm EDT
JELD-WEN Field / Portland, Ore.
Click here to watch live stream

Welcome to the third Cascadia Clash between the Portland Thorns FC and Seattle Reign FC with the Thorns winning the first two meetings 2-1 and 1-0.

Portland will be without national teamers Rachel Buehler, Alex Morgan and Christine Sinclair while Seattle will be missing Jessica Fishlock, Kaylyn Kyle, Hope Solo and Emily Zurrer.

Boston Breakers (3-3-3 12pts) vs Sky Blue FC (7-2-1 22pts)
Sunday, 6:30pm EDT
Dilboy Stadium | Somerville, Mass.
Click here to watch live stream ($4.99)

Both clubs will be without some of their top offensive fire-power due to national team call-ups. Boston will be missing Adriana Leon, Sydney Leroux, Heather O’Reilly and Rhian Wilkinson while Sky Blue FC will be without Jill Loyen, Kelley O’Hara, Christie Rampone and Sophie Schmidt.

The Breakers have called up four players for Sunday’s match which includes midfielders Kate Russell, Shawna Gordon, and Monique LaMotte, and defender Jen LaPonte.

“We’re looking forward to having the opportunity to play against Sky Blue again, and to have a better performance than last time,” Breakers Head Coach Lisa Cole said. “And we hope the younger players take advantage of the opportunity they’ve been giving.”