In this May 7, 2019 photo, Round Rock designated hitter Yordan Alvarez, who leads the Triple A league with 13 home runs, swings for the ball. The new official Triple A league baseball is now the same as the big-league ball. It is said to be harder, more tightly wound at its core and with slightly lower seams, all of which make it more aerodynamic than the ball used at the Double A level and lower and previously in Triple A. As of May 8, 2019, home runs in Triple A were up 64 percent over a comparable period in 2018 (1,202 homers vs. 732), according to figures MLB provided to The Associated Press. (AP Photo/Nati Harnik)
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