Arizona Diamondbacks right-hander Merrill Kelly threw his first career complete game in a 9-1 victory over the Colorado Rockies at Coors Field on Friday night, May 15, 2026, following a six-run explosion by the Arizona offense in the opening inning.
According to MLB.com, Kelly allowed just one run on four hits, issued zero walks, and struck out three batters on exactly 100 pitches to bounce back from a heartbreaking loss to the Texas Rangers on Wednesday.
The 37-year-old veteran carried a 7.62 ERA into the matchup but utilized a mix of cutters, changeups, and sliders to lower his recent marks, having now allowed only two runs over his last 16 frames as reported by Arizona Sports.
The performance marked the first complete game by a Diamondbacks pitcher at Coors Field since Patrick Corbin achieved the feat on May 20, 2013, and the franchise’s first nine-inning complete game since Zac Gallen in 2023.
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Arizona Sports reported that the Diamondbacks batted around in the first inning against Rockies starter Kyle Freeland, scoring all six runs with two outs via run-scoring hits from Ildemaro Vargas, Gabriel Moreno, Jose Fernandez, and Ryan Waldschmidt.
Freeland surrendered seven earned runs on eight hits and four walks over his outing, dropping his season record to 1-5 with a 7.22 ERA after throwing 42 pitches in the opening frame alone, according to the Denver Post.
Vargas finished the night 4-for-5 with two RBIs, Moreno drove in three runs to break an 0-for-17 slump, and former Rockies third baseman Nolan Arenado set a career high by drawing four walks while adding a double.
Colorado managed its solitary run in the bottom of the first inning when catcher Hunter Goodman hit a 111 mph solo home run to left field off a Kelly changeup, marking his 11th home run of the season.
The Rockies struggled thereafter, collecting only a third-inning single by Kyle Karros and a fifth-inning double by Ezequiel Tovar, dropping their home record to 7-11 at Coors Field after losing seven of their last eight home games.
Diamondbacks manager Torey Lovullo expressed confidence in the veteran right-hander before the game, noting that Kelly’s strength in pitching to contact would serve him well in the hitter-friendly environment of Denver.
“I was going to start to get a little edgy around pitch 95,” said Lovullo to reporters regarding his starter’s leash. “But he did a good job.”
Kelly acknowledged the defensive support from his teammates during a postgame interview with D-backs.TV reporter Jody Jackson, noting that the victory belonged to the entire squad after a heavy workload of balls put in play.
“It’s a lot of fun, but I gotta hand it to the whole team today,” said Kelly. “Today was a whole team win. There were a lot of balls in play today, and the defense showed up. That big catch by [outfielder Tim Tawa] in the ninth helped me close the door, but I gotta give a lot of credit to Gabby and a lot of credit to the defense today.”
Kelly stated that he engaged in a tactical discussion with his manager before taking the mound for the final inning, securing the necessary clearance to try and finish the game himself.
“They call the last three outs of the game the hardest three outs to get,” said Kelly. “I’d much rather start [the game] than close it. But anytime you can get it done, first time in my career, it means a lot. But like I said, I gotta give all the credit to the team today.”
Kelly concluded his postgame remarks by analyzing the aggressive approach of the opposing lineup and expressing confidence in his own execution when establishing pitch location.
“[The Rockies] are an aggressive team, they’re hitting pretty well this year. But I feel like if I can locate, I can compete with anybody,” said Kelly.
The three-game series will continue at Coors Field on Saturday with Arizona left-hander Eduardo Rodriguez facing Colorado right-hander Tomoyuki Sugano.
