Arizona Diamondbacks' Gregor Blanco pauses near the ground after being knocked down by a pitch from Chicago White Sox starting pitcher Lucas Giolito during the first inning of a spring training baseball game Thursday, March 9, 2017, in Glendale, Ariz. (AP Photo/Ross D. Franklin)
Washington Nationals pitcher Lucas Giolito (44) walks toward the dugout after he was pulled in the fourth inning from Sunday's 10-6 loss to the San Diego Padres. Giolito was unsteady and inaccurate for the second time in his three major-league starts. (Associated Press)
Washington Nationals pitchers, from left, Bronson Arroyo, Lucas Giolito, Stephen Strasburg, A.J. Cole and Taylor Hill run sprints after a spring training baseball workout, Saturday, Feb. 20, 2016, in Viera, Fla. (AP Photo/John Raoux)
United States' pitcher Lucas Giolito throws a pitch during the fifth inning of the All-Star Futures baseball game against the World Team, Sunday, July 13, 2014, in Minneapolis. (AP Photo/Jim Mone)
Lucas Giolito, 6-foot-6 and 230 pounds, has a scholarship to UCLA waiting if he decides against entering professional baseball right away. (Alyson Boyer Rode)