STOCKTON, Calif. -- At just 5-foot-9, Jameson Hannah doesn't exactly stand out in everyday life. But on a baseball field, he's absolutely electric.
The A's drafted Hannah 50th overall in 2018 out of Dallas Baptist University, where he slashed .363/.451/.554 as a junior. After beginning his professional career with Vermont of the Short Season New York-Penn League last year, the 21-year-old was bumped up to High-A Stockton this season.
"Going straight to High-A is an aggressive assignment for anyone, even a college hitter as accomplished as Jameson," A's general manager David Forst told NBC Sports California. "So I don't think it was unexpected to take a little while for him to get his feet under him, but he's starting to swing the bat great. He has such a good all-field approach and knows hitting so well that it's only a matter of time before he starts to excel, even in a High-A league like that."
To Forst's point, Hannah has raised his slash line to .276/.340/.381 after getting off to a slow start. The left-handed hitting outfielder has two home runs, 17 doubles, 16 RBI and 36 runs scored this season. His 71 hits rank fifth in the California League, helping him earn an All-Star selection.
"(My) swing feels good but there's still room for improvement," Hannah said of his performance this season. "I'd like to see an increase in power numbers but just also stick true to my game. I'm kind of a speed guy, so being able to put the ball in play and also kind of turn and burn a little bit will definitely help."
MLB Pipeline ranks Hannah as the A's seventh-best prospect. They list him as a plus runner and defender with an advanced approach at the plate.
"He's a sweet swinger, along the lines of a (Astros outfielder) Michael Brantley," A's assistant general manager/director of player personnel Billy Owens said. "That would be the ultimate profile. He's got a smooth swing and hits to all fields. He has a chance to hit for a high average.
"He's got a nice blend. He can definitely run. He's an above-average runner. Really one of the pretty swings that you will see and the ability to use the whole field. I think that the power potential will probably hit in that 15 home run range."
Hannah was thrilled when he found out he was joining the A's organization last year, especially given their track record of developing young players. So far, the experience has lived up to his expectations.
"I love the organization," Hannah said. "Our higher-ups are awesome and our coaches at every level are awesome. They definitely love you as a player but also want to see you progress and get out of the league you're in and hopefully be up in the big leagues one day. I definitely like this organization and I'm happy to be a part of it."
Hannah's greatest thrill came this spring when he got to play a few games with the A's big-league club. He cherished every moment and interaction, holding on to one key piece of advice he heard from the players.
"It's the same game, even up there (in the majors)," Hannah said. "Don't try to do too much and stick with the player that you are. I've really taken that to heart."