US National Team midfielder Megan Rapinoe knelt during the anthem in a nod to Colin Kaepernick

U.S. Women's National Team and Seattle Reign FC midfielder Megan Rapinoe took a knee during the anthem before their match against the Chicago Red Stars on Sunday in support of Colin Kaepernick. Rapinoe, who is gay, has never been shy about supporting the causes she believes in and later explained why Kaepernick's protest has struck a nerve with her:

Kaepernick has ignited a firestorm of debate since he first announced the reasons behind his sitting for the anthem before the 49ers' preseason games, and a growing number of other professional athletes have started, well, standing with him by sitting themselves during the anthem.

And just like Kaepernick, reactions have been ... mixed.

Rapinoe's protest, which is about as peaceful as they come, proves that the point Kaepernick has been trying to make has started to spread across not just the NFL but other sports as well. With the NFL finally getting to meaningful games next weekend it remains to be seen if more NFL players will brave the criticism and stand alongside Kaepernick, but Rapinoe's actions might just start to be the tipping point among athletes in all sports who support the ideas behind it, but haven't considered it necessary to participate.

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SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers congratulates Brandon Marshall #15 of the Chicago Bears following the game at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers congratulates Brandon Marshall #15 of the Chicago Bears following the game at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers congratulates Jay Cutler #6 of the Chicago Bears following the game at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
GLENDALE, AZ - SEPTEMBER 21: Quarterback Colin Kaepernick #7 of the San Francisco 49ers throws a pass during the second quarter of the NFL game against the Arizona Cardinals at the University of Phoenix Stadium on September 21, 2014 in Glendale, Arizona. (Photo by Christian Petersen/Getty Images)
GLENDALE, AZ - SEPTEMBER 21: Quarterback Colin Kaepernick calls a play during the NFL game against the Arizona Cardinals at University of Phoenix Stadium on September 21, 2014 in Glendale, Arizona. (Photo by Norm Hall/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers runs drills on the field prior to the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers stands on the field prior to the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers rushes during the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers rushes during the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers rushes during the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers rushes during the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers throws an interception during the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Colin Kaepernick #7 of the San Francisco 49ers throws an interception during the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Blaine Gabbert #2 and Colin Kaepernick #7 of the San Francisco 49ers head to the field prior to the game against the Chicago Bears at Levi Stadium on September 14, 2014 in Santa Clara, California. The Bears defeated the 49ers 28-20. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Quarterback Colin Kaepernick #7 of the San Francisco 49ers drops back to pass against the Chicago Bears at Levi's Stadium on September 14, 2014 in Santa Clara, California. (Photo by Jeff Gross/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Quarterback Colin Kaepernick #7 of the San Francisco 49ers looks on during the second quarter of their game against the Chicago Bears at Levi's Stadium on September 14, 2014 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Quarterback Colin Kaepernick #7 of the San Francisco 49ers looks on during the first quarter of their game against the Chicago Bears at Levi's Stadium on September 14, 2014 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Quarterback Colin Kaepernick #7 of the San Francisco 49ers looks on during the first quarter of their game against the Chicago Bears at Levi's Stadium on September 14, 2014 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
SANTA CLARA, CA - SEPTEMBER 14: Quarterback Colin Kaepernick #7 of the San Francisco 49ers looks to pass during the first quarter of a game against the Chicago Bears at Levi's Stadium on September 14, 2014 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
ARLINGTON, TX - SEPTEMBER 07: Quarterback Colin Kaepernick #7 of the San Francisco 49ers during the NFL game against the Dallas Cowboys at AT&T Stadium on September 7, 2014 in Arlington, Texas. The 49ers defeated the Cowboys 28-17. (Photo by Christian Petersen/Getty Images)
HOUSTON, TX- AUGUST 28: Colin Kaepernick #7 of the San Francisco 49ers on the sidelines agains the Houston Texans in a pre-season NFL game on August 28, 2014 at NRG Stadium in Houston, Texas. (Photo by Thomas B. Shea/Getty Images)
HOUSTON, TX - AUGUST 28: Colin Kaepernick #7 of the San Francisco 49ers warms up before playing the Houston Texans in a pre-season game at Reliant Stadium on August 28, 2014 in Houston, Texas. (Photo by Bob Levey/Getty Images)
HOUSTON, TX - AUGUST 28: Colin Kaepernick #7 of the San Francisco 49ers warms up before playing the Houston Texans in a pre-season game at Reliant Stadium on August 28, 2014 in Houston, Texas. (Photo by Bob Levey/Getty Images)
HOUSTON, TX - AUGUST 28: Colin Kaepernick #7 of the San Francisco 49ers warms up before playing the Houston Texans in a pre-season game at Reliant Stadium on August 28, 2014 in Houston, Texas. (Photo by Bob Levey/Getty Images)
HOUSTON, TX - AUGUST 28: Colin Kaepernick #7 of the San Francisco 49ers warms up before playing the Houston Texans in a pre-season game at Reliant Stadium on August 28, 2014 in Houston, Texas. (Photo by Bob Levey/Getty Images)
HOUSTON, TX - AUGUST 28: Colin Kaepernick #7 of the San Francisco 49ers warms up before playing the Houston Texans in a pre-season game at Reliant Stadium on August 28, 2014 in Houston, Texas. (Photo by Bob Levey/Getty Images)
Houston, Texas, USA. 28th Aug, 2014. San Francisco 49ers quarterback Colin Kaepernick (7) prior to an NFL preseason game between the Houston Texans and the San Francisco 49ers at NRG Stadium in Houston, TX on August 28th, 2014. © Trask Smith/ZUMA Wire/Alamy Live News
April 29, 2011 - Turlock, California, U.S. - (Debbie Noda/dnoda@modbee.com) - Parents Teresa and Rick with their son Colin Kaepernick wearing a 49er cap at their Turlock home after in the 2nd round of the NFL draft he was picked by the San Francisco. (Credit Image: © Debbie Noda/Modesto Bee/ZUMAPRE
April 29, 2011 - Turlock, California, U.S. - (Debbie Noda/dnoda@modbee.com) - Colin Kaepernick in the 2nd round of the NFL drafted by the San Francisco 49ers. (Credit Image: © Debbie Noda/Modesto Bee/ZUMAPRESS.com)
San Francisco 49ers quarterback Colin Kaepernick speaks during a press conference at the New Orleans Marriott in New Orleans, Louisiana, Sunday, January 27, 2012. The 49ers will face the Baltimore Ravens in Super Bowl XLVII at the Mercedes-Benz Superdome in New Orleans on Feb. 3. (Jane Tyska/Oakland Tribune/MCT)
Turlock, CA, USA. 2nd May, 2014. Colin Kaepernick talks with on of the teens at Jessica's House in Turlock CA during a quick visit. Jessica's House provides free support in a safe place for children, teen and their families grieving a death. © Marty Bicek/ZUMAPRESS.com/Alamy Live News
Turlock, CA, USA. 2nd May, 2014. Colin Kaepernick took a second to pose for a group photo with several kids at Jessica's House in Turlock CA. Jessica's House provides free support in a safe place for children, teen and their families grieving a death. © Marty Bicek/ZUMAPRESS.com/Alamy Live News
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