As a senior at Sherman Oaks Notre Dame High, the right-handed Lee went 9-1 with a 1.24 ERA and 102 strikeouts in 67 2/3 innings. His improvement over his junior season was impressive. He gave up fewer hits this season (34) than last season (36), when he threw only 37 innings.

He was the Mission League pitcher of the year and helped Notre Dame win a school-record 28 games and rise to No. 1 in the statewide rankings during the regular season. He has been selected The Times’ player of the year.

“He was pretty much unhittable throughout the season and dominated as much as I’ve seen someone dominate,” Notre Dame coach Tom Dill said.

Committed to UCLA, Lee added a split-finger fastball that drops sharply to his arsenal, giving him a third pitch to serve almost like a changeup with his fastball and curveball. He said he taught himself the pitch by watching Angels pitcher Shohei Ohtani on YouTube.

“I was watching videos, then copied his grip,” Lee said. “It’s probably my best pitch now.”

Last season Lee had trouble throwing strikes.

“At first I thought something was wrong with my mechanics,” Lee said. “I realized it’s just all in my head. Last year I’d throw a ball. It would get in my head. Now it’s throw strikes to everybody.”

The room for improvement is immense, since he started pitching his freshman season after being a catcher. His fastball has touched 95 mph.

“I definitely have a lot to learn,” he said.

His parents were born in Korea.

He might not challenge BTS for popularity, but give him time. He just turned 18 on May 22 and is looking forward to seeing where baseball will take him.