German Marquez has become the counterargument to the theory that the Colorado Rockies can't have successful starting pitching, especially at Coors Field.

Marquez doesn't throw his fastball in the triple digits but lately when he is throwing pitches batters look lost. Since allowing nine runs - eight earned - on June 12 at Cincinnati, the righty has given up just three in his past 36 innings.

Moreover, the 12 hits he allowed to the Reds that day match the total number he has given up over his past five starts.

To say Marquez is on a roll might be an understatement. He has been dominant over the past month, earning him a spot on the NL All-Star roster, and he will try to keep it going when he faces the Seattle Mariners on Tuesday night to begin a two-game interleague series.

Seattle will send Marco Gonzales (1-5, 5.88 ERA) to the mound at Coors Field.

Marquez (8-6, 3.36) is making his second start of the season against the Mariners. He faced them in Seattle on June 23 and threw eighth innings of two-hit ball in Colorado's 5-2 win. He topped that outing in his next turn in the rotation when he took a no-hitter into the ninth against Pittsburgh before settling for a one-hit shutout.

Marquez's pitching and the Rockies' record (they are 12 games under .500) have naturally led to rumors that he could be dealt before the trade deadline at the end of the month. That speculation was shut down by manager Bud Black.

"German is fine," Black said at the All-Star Game, where Marquez pitched one scoreless inning for the NL. "We talk about this all the time, (for him) to keep perspective and keep focused."

Black didn't manage the weekend series because he was in MLB's contact tracing protocol along with five other members of the team, including four players. When they can return has not been announced, so bench coach Mike Redmond will likely continue in the role of acting manager.

The Mariners are coming off winning four of six from the Los Angeles Angels -- two before the break and two more after. Gonzales faced the Angels on July 9, getting a no-decision in Seattle's 7-3 win.

He is looking for his second win of the season and first since beating Baltimore on April 15. He spent the month of May on the injured list with a left forearm strain and is 0-2 in six starts since returning.

He also missed some time at the end of June for the birth of his daughter and was roughed up for seven runs in 3 1/3 innings in his return against Texas on July 3. Gonzales has tried to stay positive during a tough year on the mound.

"This year has had its adversities, to say the least," Gonzales said. "I think it's had a lot of ups and downs, starts and stops, and for me, I'm not the type of person to make excuses or to blame anyone besides myself. And it is something that I do need to get on a better rhythm and in a routine and be able to help this team win a few more ballgames."

Gonzales is 1-0 with a 5.06 ERA in two career starts against Colorado, including one start at Coors Field as a rookie in 2014 when he allowed five runs on seven hits in five innings.

--Field Level Media

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