Jackson Holliday made a grand entrance upon his return to Baltimore. The 20-year-old Orioles rookie belted a 439-foot grand slam his first MLB homer in the fifth inning of Wednesdays 10-4 win over the Blue Jays, one day after being recalled from Triple-A. Thats about as best as I can hit a ball, Holliday . Thats about all I got. JACKSON HOLLIDAY! His first big league homer is a grand slam! MLB (@MLB) Jackson Holliday of the Baltimore Orioles hitting a grand slam for his first career home run against the Toronto Blue Jays at Oriole Park. Getty Images Jackson Holliday of the Baltimore Orioles rounds the bases after his grand slam. Getty Images Explore More The 20-year-old etched his name into the MLB history books, becoming the third-youngest player in the American League to have his first career Joe Oliver Jersey homer be a grand slam, . The son of seven-time MLB All-Star Matt Holliday had a short stint with the Orioles earlier this season, where he went 2-for-34 in 10 games, recording 18 strikeouts and two walks in April. Subsequently demoted, he returned to the farm, where he showed notable growth. Im definitely more prepared than I was last time, . Getting that debut out of the way, and all the stuff that comes with that, its definitely a little bit easier coming up here the second time and just being relaxed and comfortable with the environment. It was Jackson Hollidays first career homer. Getty Images Despite mi sing a few games in June due to elbow inflammation, the infielder boosted his numbers in Triple-A, hitting eight homers with a .271 average and .908 OPS. I think it can always be looked at as a good start to learning how to fail, because this game is the worst sometimes, he added. To be able to go up there and fail at a high level, in the long run, I think will be very beneficial for me and my career. On Tuesday, the , shipping second baseman Connor Norby to Miami as part of the return package. With infielder Jorge Mateo getting transferred to the 60-day injured list with a dislocated elbow, the Orioles, in need of keystone insurance, brought up Holliday their 2022 No.1 draft pick giving him another chance in the majors. Jackson Holliday of the Baltimore Orioles is doused with Gatorade by Gunnar Henderson after the Orioles win. Getty Images With Norby in Miami and Mateo injured, Holliday is expected to play some middle infield for the time being. Thats definitely my goal this time to be able to come up here and help this team win and hopefully make a long playoff run, the young star said. The Orioles and Holliday begin a four-game series against the Guardians on Thursday night. The infielder said hes going to soak it all in while hes up. Im just going to enjoy it, Holliday said. Im going to enjoy being here and being present. I feel like, last time, it was all a blur. Henry Ramos Jersey