Highlights of the March 9, 2021, spring training game between the Kansas City Royals and the Seattle Mariners in Peoria, Arizona. The Mariners won, 6-3. More from The Kansas City Star: Subscribe: http://bit.ly/2FDe1zT Twitter: https://twitter.com/KCStar Facebook: https://www.facebook.com/kansascitystar/ Website: https://www.kansascity.com/ Digital news subscription: http://bit.ly/2CDAZoD