Mike DeMark went 2-3 with one save and a 3.45 ERA across 57 games with the San Antonio Missions. In 60 innings, he allowed 53 hits, walked 33 and struck out 55. He held the opposition to a .233 average. The opposition stole nine bases off him in 10 attempts. He allowed two homers, hit one batter, tossed four wild pitches, and induced three double play grounders. He stranded 5-of-8 inherited runners. The opposition hit .227 off him in 66 at-bats with runners in scoring position. DeMark ranked tied for third in the Texas League in appearances and was tied for sixth overall in the entire minor leagues.

Mike DeMark went 0-0 with a 0.00 ERA across four games with the Portland Beavers. In 4.0 innings, he allowed three hits, walked three and struck out three. He held the opposition to a .200 average. The opposition stole one base off him in as many attempts. He stranded 3-of-3 inherited runners. The opposition hit .143 off him in seven at-bats with runners in scoring position.

2008

DeMark went 1-2 with a 2.17 ERA across 42 games with the Lake Elsinore Storm. In 49.2 innings he allowed 35 hits, 19 walks and struck out 53. He allowed four homers and induced two double play grounders while holding the opposition to a .196 average.

DeMark went 0-0 with a 0.76 ERA across 12 games with the San Antonio Missions. In 23.2 innings he allowed 17 hits, five walks and struck out 24. He allowed zero homers and induced two double play grounders while holding the opposition to a .205 average.

2007

DeMark went 2-1 with a 3.74 ERA over 44 games with the Lake Elsinore Storm. In 53 innings he allowed 45 hits and walked 30 while striking out 70. He allowed seven homers, hit two batters, and tossed seven wild pitches while inducing three double play grounders. He saw the opposition steal 12 bases off him in 12 attempts.

Demark went 0-0 with a 18.00 ERA over two Storm playoff games. In two innings he allowed five hits and walked three.

Notes:

The San Diego Padres signed Mike DeMark on January 12, 2007.

In 2006, DeMark went 1-4 with a 3.22 ERA for the Florence Freedom of the Frontier League. In 64 innings he struck out 59 hitters and kept opposing batters to a .192 average.