The Los Angeles Chargers are one of the most talented teams in the NFL with superstars on both offense and defense. Who's the most irreplaceable player not named Justin Herbert? It's not as cut and dry as you think. One of the many great questions from the fans on today's fan mail Friday episode. Others include will Keenan Allen finish his contract with the Chargers? Will superstar safety Derwin James sign an extension before the start of training camp? How important is Jalen Guyton to the bolts offense? The fans never disappoint with their questions.Support Us By Supporting Our Sponsors!Built BarBuilt Bar is a protein bar that tastes like a candy bar. Go to builtbar.com and use promo code “LOCKED15,” and you’ll get 15% off your next order.BetOnlineBetOnline.net has you covered this season with more props, odds and lines than ever before. BetOnline – Where The Game Starts!Rock AutoAmazing selection. Reliably low prices. All the parts your car will ever need. Visit RockAuto.com and tell them Locked On sent you.Blue NileMake your moment sparkle with jewelry from Bluenile.com, and LOCKED ON SPORTSlisteners get $50 off purchases of $500 or more using code LOCKEDON.  Learn more about your ad choices. Visit podcastchoices.com/adchoices