Guerra (elbow) has struck out five and allowed two runs on six hits and four walks across five innings in two starts since being reinstated from High-A Vancouver's 7-day injured list July 29.
Guerra had been on the shelf for approximately seven weeks due to a right elbow strain. Over 14 starts for Vancouver on the season, Guerra has turned in a 3.20 ERA, 1.32 WHIP and 78:29 K:BB in 59 innings.