Zachary Gallen: Everything you need to know

Gallen (1-4) took the loss against Texas on Tuesday, tossing 4.2 innings during which he allowed seven runs on seven hits and two walks while striking out four batters. Gallen struggled from the outset, serving up a solo homer to Joc Pederson in the first inning. He trailed 3-0 entering the fifth, then got just two outs in that frame while being charged with four more runs. Gallen managed just six whiffs among his 95 pitches and has now given up a combined 17 runs over his past three starts spanning 14.1 innings. That has pushed his season ERA up to an ugly 5.65.

Gallen (1-3) took the loss against Pittsburgh on Thursday, pitching six innings during which he gave up four runs on six hits and two walks while striking out five batters. Gallen served up a solo homer to the second batter he faced in the game but was able to make it through four frames with just that one run on his ledger. However, the veteran struggled late in his outing, allowing four straight batters to reach with two outs in the fifth frame to yield two runs before giving up another run on a solo homer in the sixth. Gallen was at least better than in his previous start, when he gave up six runs over 3.2 innings against the Cubs, but he's now at a mediocre 4.70 ERA with just one victory through eight starts on the season.

Gallen (1-2) took the loss Friday, coughing up six runs on seven hits and three walks over 3.2 innings as the Diamondbacks were downed 6-5 by the Cubs. He struck out three. Chicago ambushed the right-hander for three runs in the first inning, and another three-spot in the fourth chased Gallen from the game after 95 pitches (57 strikes). The performance ended a stretch of five straight starts in which he'd given up three runs or fewer, and Gallen will take a 4.45 ERA, 1.52 WHIP and 20:10 K:BB through 32.1 innings into his next outing, which lines up to come at home next week against the Pirates.