Travis Kelcehas a sensitive side! Jason Kelce wasn’t the only family member who cried while announcing he was retiring from the NFL — because Taylor Swift’s boyfriend did too, RadarOnline.com has learned. Travis, 34, wept as he watched his older sibling, Jason, 36, get emotional as he walked away from his football career on Monday after 13 seasons. Jason struggled to get through his speech as he watched his family, including Travis, parents Donna and Ed Kelce, and his wife, Kylie Kelce, react as he delivered the news. Travis sat in the first row with the entire Kelce gang, minus Taylor. The Ka…