MINNEAPOLIS — The Minnesota Twins have signed right-hander Kohl Stewart, the fourth overall pick in this month's draft.

The team announced the deal Wednesday, along with the signings of 22 others. The Twins have 21 of their first 25 selections under contract.

The 18-year-old Stewart was the first high school pitcher drafted. The slot value of the signing bonus for the fourth pick determined by Major League Baseball's formula is $4,544,400.

Stewart posted an 0.18 ERA in 40 innings with 16 walks and 59 strikeouts this season over eight starts for St. Pius X High School in Houston. The 6-foot-3, 208-pound Stewart was a two-sport star, recruited by Texas A&M to pitch and play quarterback for the football team. As a senior, he passed for 2,560 yards and 28 touchdowns.