St. Louis Cardinals starting pitcher Miles Mikolas (elbow) will miss the start of the regular season because of a flexor-tendon issue in his right elbow, according to manager Mike Shildt. Mikolas will receive a platelet-rich plasma injection and be re-evaluated in three to four weeks. The right-hander had a PRP injection after last season ended as well. The 31-year-old was excellent in 2018 in his return from Japan, going 18-4 with a 2.83 ERA as an All-Star, but he struggled last season. He was...