Sundstrom started his college career at Santa Rosa Junior College. After hitting well in his second season there, he was able to transfer to UC Santa Barbara for his third year. He turned in an all-Big West First Team selection performance with an OPS over 1.000 that scouts noticed. The Mariners nabbed him in the tenth round of the 2023 Draft and turned in a very solid first full season with High-A Everett.
A big, physical and athletic outfielder, Sundstrom is a 6-foot-3 presence on the field. He’s a right-handed hitter with above-average raw power he’s still learning to tap into consistently. He does have feel to barrel up the ball and has shown he can lift the ball to his pull side, though there’s a question if he’ll hit enough as he advances to get to average in-game power. He’s an average runner who has shown he can steal a base, reaching double digits in home runs and steals in his first full season.
After playing center field almost exclusively at Santa Barbara, Sundstrom has seen time at all three outfield spots in the Mariners organization. He’s seen more time in the corners, where he has enough arm strength to profile, though he may not have the offensive chops to play there every day. The most likely outcome is for him to be a productive fourth or fifth outfielder.