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Red Sox trade De Aza to Giants for prospect Luis Ysla

Alejandro De Aza
Alejandro De Aza
Bob DeChiara-USA TODAY Sports

At the final August trade deadline Monday the Boston Red Sox sent veteran outfielder Alejandro De Aza to the San Francisco Giants in exchange for minor league pitcher Luis Ysla. Here's a quick take on the newest member of the Red Sox farm system.

Luis Ysla, LHP: Ysla was signed by the Giants as a free agent out of Venezuela in 2012. He broke out in 2014 with an excellent season for Augusta in the Low-A South Atlantic League (league-best 2.45 ERA, 115/45 K/BB in 121 innings) but found the going more difficult after moving up to the High-A California League for 2015. This season he has an ugly 6.21 ERA in 80 innings with a 95/41 K/BB and 109 hits allowed. The ERA is a bit misleading; his FIP is better at 4.52, though that's still not great.

Ysla is a 6-1, 185 pound lefty born April 27, 1992. He has no shortage of stuff, with a 90-94 MPH fastball and a solid change-up. His slider is erratic, ranging from poor to decent depending on the day, and his command can be troublesome. He has posted a 60/16 K/BB in his last 44 innings and has shown signs of ironing out his command, which was a big problem early in the year. There's still a chance he can develop into a starter, with bullpen work as a power relief lefty being the alternate plan.