The Nationals prospect struck out nine and allowed three hits over four scoreless innings for his first Arizona Fall League win as the Scottsdale Scorpions cruised to a 9-2 victory over the Phoenix Desert Dogs.
A 2010 second-round Draft pick, Solis (1-0) went 8-3 with a 3.26 ERA in 17 starts between Class A Hagerstown and Class A Advanced Potomac this season. He struck out 93 and walked over 96 2/3 innings.
In five AFL starts prior to Friday's outing, the 23-year-old left-hander posted a 5.21 ERA. He lowered that mark to 4.30 after throwing 40 of 67 pitches for strikes.
Four relievers combined to keep the Desert Dogs off the board until Phillies right-hander Colby Shreve yielded two runs on three hits in the ninth.
Alex Hassan (Red Sox) and Cody Overbeck (Phillies) both collected three hits for the Scorpions, with Hassan scoring three runs and Overbeck knocking in two. Giants shortstop Brandon Crawford launched a solo homer, his second, in the third.
Angels outfielder Mike Trout went 2-for-5 with a pair of runs scored. MLB.com's top overall prospect is batting .310 with eight runs scored in his last 10 games.
No. 2 prospect Bryce Harper delivered an RBI single in the seventh to extend his hitting streak to 13 games. But he failed to homer for only the second time in his past seven contests.
Grant Green, the A's No. 1 prospect, led Phoenix by going 3-for-4 with a pair of doubles, an RBI and a run scored. He's crossed the plate six times in his past three games. Indians Minor Leaguer Chad Huffman drove in the other run for the Desert Dogs.
A's right-hander Tyson Ross (1-2) was reached for four runs -- two earned -- on six hits over 3 1/3 innings. He struck out three and walked two.
David Heck is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.