Jackson Olson is looking to score a home run in the ballroom. The Savannah Bananas baseball player — and boyfriend of Pat Sajak’s daughter Maggie Sajak — has joined Season 35 of “Dancing with the Stars.” Olson’s upcoming gig was announced at Disney’s Upfront presentation on Tuesday. During Wednesday’s episode of “Good Morning America,” the fan-favorite player revealed he manifested his spot on the competition series. Jackson Olson (pictured here on Tuesday) will join Season 35 of “Dancing with the Stars.” Disney via Getty Images The news was revealed during Disney’s Upfront presentation on Tuesday (as seen here). Disney via Getty Images “I kind of manifested this whole thing,” he explained. “I posted a couple of TikToks last year, just joking and pranking my coach that I was going to be on this show, never thinking that it was a possibility. But when I posted it, I was like, ‘Maybe there is a possibility.'” Olson added that he “saw some comments” that made him rethink whether joining “DWTS” was plausible.…