When schedules come out, everybody wants to cut to the chase: When are the rivalry matches?

We list them all for you below, including the new one that will debut in 2015 between the New York Red Bulls and expansion side New York City FC. The first meeting between these two clubs will take place on Sunday, May 10, at Red Bull Arena (7 pm ET; Fox Sports 1).

The league's rivalry matches will be concentrated over two specific weekends -- June 26-28 and Aug. 28-30 -- for MLS Rivalry Week, presented by Heineken.

The first Rivalry Week on June 26-28 will see the Texas Derby, the second NYC battle and a Cascadia Cup match between the Seattle Sounders and Portland Timbers. The second weekend on Aug. 28-30 will see the California Clasico, the Atlantic Cup and another Sounders-Timbers match take center stage.

Here are the dates and times for all the rivalry matches of the 2015 MLS regular season:

New York Red Bulls vs. New York City FC

Sun., May 10: RBNY vs. NYCFC at Red Bull Arena (7 pm ET, FOX Sports 1, FOX Deportes)

Sun., June 28: NYCFC vs. RBNY at Yankee Stadium (5 pm ET, ESPN2/ESPN Deportes)

Sun., Aug. 9: RBNY vs. NYCFC at Red Bull Arena (7 pm ET, FOX Sports 1, FOX Deportes)

Cascadia Cup

Sat., March 28: Vancouver vs. Portland at BC Place (TBD)

Sun., April 26: Seattle vs. Portland at CenturyLink Field (9:30 pm ET, FOX Sports 1, FOX Deportes)

Sat., May 2: Portland vs. Vancouver at Providence Park (10:30 pm ET, TV TBD)

Sat., May 16: Vancouver vs. Seattle at BC Place (TBD)

Sun., June 28: Portland vs. Seattle at Providence Park (7 pm ET, FOX Sports 1, FOX Deportes)

Sat., Aug. 1: Seattle vs. Vancouver at CenturyLink Field (TBD)

Sun., Aug. 30: Seattle vs. Portland at CenturyLink Field (5 pm ET, ESPN2/ESPN Deportes)

Sat., Sept. 12: Portland vs. Vancouver at Providence Park (10:30 pm ET, TV TBD)

Sat., Sept. 19: Vancouver vs. Seattle at BC Place (TBD)

California Clasico

Sat., June 27: San Jose vs. LA at Stanford Stadium (10:30 pm ET, TV TBD)

Fri., July 17: LA vs. San Jose at StubHub Center (11 pm ET, UniMas)

Fri., Aug. 28: San Jose vs. LA at Avaya Stadium (11 pm ET, UniMas)

Atlantic Cup

Sun., March 22: RBNY vs. D.C. United at Red Bull Arena (5 pm ET, ESPN2/ESPN Deportes)

Sat., April 11: D.C. United vs. RBNY at RFK Stadium (7 pm ET, TV TBD)

Sun., Aug. 30: RBNY vs. D.C. United at Red Bull Arena (7 pm ET, FOX Sports 1, FOX Deportes)

401 Derby

Wed., June 24: Toronto FC vs. Montreal Impact at BMO Field (TBD)

Sat., Aug. 29: Toronto FC vs. Montreal Impact at BMO Field (TBD)

Sun., Oct. 25: Montreal Impact vs. Toronto FC at Stade Saputo (TBD)

Rocky Mountain Cup

Sun., June 7: Real Salt Lake vs. Colorado Rapids at Rio Tinto Stadium (5 pm ET, ESPNews)

Sun., July 12: Colorado Rapids vs. Real Salt Lake at DSG Park (7 pm ET, FOX Sports 2, FOX Deportes)

Sat., Oct. 3: Colorado Rapids vs. Real Salt Lake at DSG Park (9 pm ET, TV TBD)

Texas Derby

Fri., May 1: Houston Dynamo vs. FC Dallas at BBVA Compass Stadium (8 pm ET, UDN)

Fri., June 26: FC Dallas vs. Houston Dynamo at Toyota Stadium (9 pm ET, UniMas)

Sun., Oct. 4: FC Dallas vs. Houston Dynamo at Toyota Stadium (5 pm ET, ESPN2/ESPN Deportes)

Trillium Cup

Sat., March 14: Columbus Crew SC vs. Toronto FC at Crew Stadium (7:30 pm ET, TV TBD)

Sat., July 25: Columbus Crew SC vs. Toronto FC at Crew Stadium (7:30 pm ET, TV TBD)

Sat., Oct. 17: Toronto FC vs. Columbus Crew SC at BMO Field (TBD)

Brimstone Cup

Sun., Aug. 2: Chicago Fire vs. FC Dallas at Toyota Park (7 pm ET, FOX Sports 1, FOX Deportes)