Rangers pitcher Yu Darvish issued a season-high six walks in Wednesday's 11-4 loss to the A's while surrendering five earned runs on five hits and striking out four in five innings.
Darvish walked six batters on three separate occasions during his rookie season but hadn't walked more than four batters in a start in 2013 before Wednesday. He owns a 12-7 record, 2.91 ERA, 1.06 WHIP and 240:66 K:BB ratio going into Tuesday's start against the Pirates.