Giants designate Mac Williamson for assignment, Pablo Sandoval makes club

SAN FRANCISCO, CA – MARCH 26: San Francisco Giants’ Mac Williamson (51) bats against the Oakland Athletics in the sixth inning at Oracle Park in San Francisco, Calif., on Tuesday, March 26, 2019. (Nhat V. Meyer/Bay Area News Group)SAN DIEGO–There Giants’ release of their Opening Day roster turned out to be anticlimactic, but that wasn’t good news for Mac Williamson.

The Giants announced Thursday they have designated Williamson, 28, for assignment after the power-hitting corner outfielder hit .237 in 59 spring at-bats. Williamson can still remain in the Giants’ organization if he clears waivers and is outrighted to Triple-A, but after a rough spring, president of baseball operations Farhan…