Megill was the No. 230 pick. The signing bonus slot value for that selection is $176,700, per MLB.com.
The reliever posted a 4.73 ERA in 32.1 innings, tallying 38 strikeouts.
Arizona outfielder Cal Stevenson was selected two rounds later by the Toronto Blue Jays to round out the second day of the draft.
Stevenson was the No. 296 overall pick. The signing bonus slot value for that selection is $140,200.
The 5-foot-9 senior hit .293/.416/.397 with one homer, six triples, three doubles, and 26 RBI. Stevenson missed several games due to a hand injury he suffered in mid-April.
Other Wildcats selected in the MLB Draft:
- 1B Alfonso Rivas selected by Athletics in 4th round of MLB Draft
- RHP Cody Deason selected by Astros in 5th round of MLB Draft
- RHP Michael Flynn selected by Pirates in 6th round of MLB Draft
- C Cesar Salazar selected by Astros in 7th round of MLB Draft
It is the first time six Arizona players have been selected in the first 10 rounds. That number is tied for the most among any school in the country.
Most 2018 @MLB draft picks by school in rounds 1-10:— Brian Hennessy (@Brian_ClemsonAC) June 5, 2018
Arizona - 6
Kentucky - 6
Oregon State - 6
Arkansas - 5
Florida - 5
Florida State - 5
Oklahoma - 5
Virginia - 5
Wichita State - 5
Clemson - 4
NC State - 4
NC Wilmington - 4
South Carolina - 4
Texas Tech - 4
The third and final day of the draft is Wednesday when Rounds 11-40 take place.