MLS filed a petition in federal court on Thursday against the MLS Players Association and New York Red Bulls midfielder Kaku.
A league source tells ESPN that the LA Galaxy aren't looking to sell midfielder Efrain Alvarez.
LAFC's Carlos Vela is MLS's highest paid player, followed by the Galaxy's Javier "Chicharito" Hernandez and Inter Miami's Gonzalo Higuain.
Cristian Roldan's 18th-minute goal was the difference as the Seattle Sounders beat the host San Jose Earthquakes 1-0 on Wednesday.
Bjorn Johnsen's first two goals of his MLS career lifted CF Montreal to a 2-0 victory over host Inter Miami on Wednesday night in Fort Lauderdale.
Ramon Abila scored as Minnesota United FC finally recorded their first victory of the season, 1-0 over the visiting Vancouver Whitecaps.
Maxi Urruti scored in the 56th minute as Houston Dynamo FC defeated visiting Sporting Kansas City 1-0 on Wednesday.
Kacper Przybylko's goal in the 88th minute propelled the host Philadelphia Union to a 1-1 draw against the New England Revolution on Wednesday.
Michael Bradley scored in the 13th minute and Jozy Altidore added a goal in the 87th as Toronto FC defeated Columbus SC 2-0.
MLS's Orlando City SC is nearing an agreement to be sold to the Wilf family, the owners of the NFL's Minnesota Vikings.
Forward Dom Dwyer and Toronto FC have agreed to a two-year contract.
The #SaveTheCrew movement kept MLS' first team in Columbus, but it will need to be brought out of retirement to undo a heavily criticized rebrand.
Ex-USMNT defender Geoff Cameron is close to signing with MLS side FC Cincinnati, a league source confirmed to ESPN.
Seattle retained their post atop our MLS Power Rankings following a wild Week 4, with LA Galaxy hot on their heels and San Jose also surging.
Gadi Kinda's goal in the 90th minute lifted Sporting Kansas City to a 2-1 victory over visiting Austin FC Sunday night.
|New England Revolution||5||2||2||1||0||8|
|New York City FC||4||2||1||1||+6||7|
|New York Red Bulls||4||2||0||2||+2||6|
|Orlando City SC||4||1||3||0||+3||6|
|Atlanta United FC||4||1||2||1||+1||5|
|Inter Miami CF||5||1||2||2||-2||5|
|Chicago Fire FC||5||0||1||4||-7||1|
|Seattle Sounders FC||5||4||1||0||+9||13|
|San Jose Earthquakes||5||3||0||2||+4||9|
|Houston Dynamo FC||5||2||2||1||+1||8|
|Sporting Kansas City||5||2||1||2||-1||7|
|Real Salt Lake||3||2||0||1||+2||6|
|Minnesota United FC||5||1||0||4||-6||3|