The Daytona Tortugas split a doubleheader and the four-game series at Jupiter, winning 2-0 and losing 6-0 to the Hammerheads, in the Florida State League on Saturday.In Game 1, Jackson Stephens (8-5) gave up seven hits, struck out five and walked one in five innings for the win. El'Hajj Muhammad struck out two in 1.1 innings for his 13th save.Phillip Ervin and Taylor Sparks had RBIs, while Sebastian Elizalde and Ronald Bueno had two hits apiece.In Game 2, Jarlin Garcia (3-5) held Daytona to three hits — two more by Bueno — for the win.