The Dodgers signed former Marlins pitcher Jordan Yamamoto to a minor-league contract, and the young righty took to social media to share his excitement. The Dodgers made a handful of minor signings on Tuesday, and while it’s likely none of them will end up being very consequential, there’s at least some intrigue there. One of the most notable is Jordan Yamamoto, who signed a minor-league deal with Los Angeles. Yamamoto came up with the Marlins in 2019 and did really well for a while. Through his first six career starts, he was 4-0 with a 1.59 ERA. It was actually…