The 25-year-old has become one of the NFL’s biggest stars Guinness announced a multi-year partnership with Joe Burrow Thursday. He is pledging hours of his time to serve communities in need as part of the Guinness Gives Back program. The goal is to get Americans to pledge more than one million service hours to support their communities. Burrow will join Hall of Fame quarterback Joe Montana in the brands charitable efforts. “Many people in our country are facing a series of challenges right now and can benefit from the support of others, and I am humbled to be in a…