PHOENIX -- The Diamondbacks on Thursday selected the contract of infielder Jake Lamb from Triple-A Reno and designated for assignment infielder Andy Marte.
Lamb is in the starting lineup, at third base and batting sixth, for tonight's series final against the Royals.
Lamb, 23, combined to hit .327 (128-for-392) with 39 doubles, 15 home runs and 84 RBI in 108 games between Double-A Mobile and Reno this season. He ranked among all minor leaguers in extra-base hits (3rd, 59), OPS (9th, .973), RBI (11th) and total bases (17th, 222) at the time of his promotion.
The 6-foot-3, 220-pounder entered the season rated as the club's No. 9 Prospect by MLB.com, the No. 10 Prospect by Baseball America, and possessing the Best Strike Zone Discipline. The Southern League midseason All-Star was named Mobile's Player of the Month for June and the Organizational Player of the Month for July.
In three minor league seasons, he has hit .321 (295-for-920) with 83 doubles, 37 home runs and 193 RBI in 244 games. Lamb, who will wear No. 19 in his major league debut, was drafted by the D-backs in the sixth round of the 2012 First-Year Player Draft from the University of Washington.
Marte, 30, appeared in 6 games with the D-backs this season and hit .188 (3-for-16) with one home run and 3 RBI.
The D-backs' 40-man roster remains at 36.