Cole began the season with Double-A Harrisburg and earned a promotion in late June after posting a 2.92 ERA and a 61-to-15 strikeout-to-walk ratio in 71 innings.
Since joining Syracuse, Cole has gone 3-0 with a 2.64 ERA. The 22-year-old has struck out 24 batters and walked three in 30 2/3 innings.
Outfielder Steven Souza, the Nationals' No. 14 prospect, went 2-for-5 with a stolen base in Wednesday's victory. He is hitting .360/.430/.582 with 22 stolen bases in 89 games. He leads the International League in hitting, on-base percentage and slugging percentage, and he ranks third in stolen bases.
Teddy Cahill is a reporter for MLB.com. Follow him on Twitter at @tedcahill. This story was not subject to the approval of Major League Baseball or its clubs.