Walker hopes to bring force with his arm and his bat in the closing series vs Colorado

When Taijuan Walker, the D-backs opener, faces the Rockies and German Marquez at Chase Field on Sunday afternoon (4:10 p.m. ET), attention must be paid to Walker’s bat.

When Walker pitted the Rockies at Coors Field on June 21, he was their single driver against Jeff Hoffman a major hit in the D-backs’ nine-race bunch in the second inning. That 16-5 Arizona win was the start of an eight-game losing streak in Colorado that was cut until the Rockies beat the D-backs 6-3 at Chase Field on Friday night.

Full Game Coverage

So let’s talk about pitcher pitching, just for fun:
For a player who spent his first five seasons in the American League, with the Mariners, and had a total of 10 innings, Walker has done well with his bat: he has gone 24-5, with two RBIs, three runs scored and Eight strikeouts this season.

Marquez has gone 17-2, with four RBIs, eight strikeouts and four sacrifice strokes.

Three things to know about this game:

• During Marquez’s three starts that ended in triumph, he had a 1.93 ERA and the expected batting average of opponents against his four-seam; According to the Statcast projection of exit speed and angle, was .272. That xBA climbed to .340 during its last outing in San Francisco, where six of the 11 four-seam players were hit hard, with an output speed above 95 mph.
• Walker is 3-0, and has a 2.70 ERA in his last four starts. But three of the seven clean runs (23.1 innings) in that time came in their last outing, against the Cardinals, a 6.1-innings effort, when he was left without a decision.
• Walker has had solid performances at home and away, but is less effective at Chase Field. Walker has a 4-2 record, with a 2.65 ERA and a .695 OPS as a visitor; Against 2-1, 4,50 and 745 OPS at home.