TORONTO -- J.A. Happ said it was a battle against the Detroit Tigers on Friday.

But the Toronto Blue Jays left-hander came through it fine as he so often has this season.

With some help catcher Russell Martin and an offense that included a three-run homer from Edwin Encarnacion, Happ won his sixth straight start and the Blue Jays extended their season winning streak to seven games with a 6-0 victory over the Tigers.

"That"s a good team," Happ said. "They have a good right-handed hitters. I feel like Russ (Martin) did a good job of adjusting to their adjustments as the game went on. They were battling me, I battled back. The pitch count went up but I feel good about it."

Happ (12-3) allowed six hits, struck out nine and walked one in 5 2/3 innings to become the sixth Blue Jays pitcher to win at least 12 games before the All-Star break and the first since Roy Halladay in 2006.

"He had a good fastball, he was running it up in the zone.in on their hands," Blue Jays manager John Gibbons said. "It plays a lot harder than what you see on the board. He had some big strikeouts, they were battling pretty good. He's had a tremendous first half. Him and Russ are on the same page, they work very well together."

"Happ did an excellent job against us," Tigers manager Brad Ausmus said. "We have a lot of trouble with him. Good riding fastball, pitched in on our right-handed hitters, mixed in the cutter and changeup. He was a lot tougher than the last time we saw him.

Detroit starter Mike Pelfrey (2-8) allowed one run and six hits, three walks in six innings. The right-hander struck out two and had three double-play grounders.

"Pelfrey's outing was a positive, for sure," Ausmus said. "A very good outing. His pitch count got up early but he was able to get through six strong with one run. We'll take that from our starters every day."

"My command wasn't really that great tonight," Pelfrey said. "I was pretty excited to pitch and I know how good of a lineup that is so I knew I had to bring it. I probably had too much adrenalin."

Jesse Chavez replaced Happ with two out and two runners on base in the top of the sixth.

Miguel Cabrera led off with a single and Happ walked Justin Upton with two out. It was the first walk Happ had allowed in two starts.

"Trying to avoid free passes especially with a lineup like that, (allowing walks) is a recipe for disaster," Happ said.

James McCann greeted Chavez with a single to load the bases before Mike Aviles forced McCann at second with a grounder to short.

The Blue Jays (50-39) scored four runs in the seventh. Left-handed reliever Kyle Ryan allowed a leadoff single by Justin Smoak and a double to right center by Kevin Pillar.

Ryan walked Ezequiel Carrera with out and was replaced by right-hander Bobby Parnell, who retired Josh Donaldson on popup to short before giving up Encarnacion's 23rd home run of the season, a blast to center on a 0-1 96 mph fastball.

"Eddie is having a heck of a year, he crushed that ball," Gibbons said. "He's been a big part of this team for years, no telling where he'll end up (as a free agent in the offseason) but he's making a great name for himself.

Bo Schultz set down the Tigers (45-42) in order in the eighth again in the ninth.

The Blue Jays added a run against Mark Lowe in the eighth on singles by Pillar and Barney and a sacrifice fly by Carrera.

The Blue Jays, who stranded 14 runners in their 5-4 win on Thursday, left the bases loaded in the second when Darwin Barney bounced out to Pelfrey.

Happ, who had 11 strikeouts with no walks on Sunday against the Cleveland Indians, had eight strikeouts and no walks through five innings against the Tigers.

Pelfrey induced his 20th double-play grounder of the season in the fifth from Donaldson. But it allowed Barney to score from third to give Toronto a 1-0 lead.

Barney led off the fifth with a double to extend his hitting streak to seven games and took third on a single by Ezequiel Carrera.

"We're giving ourselves opportunities," Barney said. "We left some runners in scoring position early in the game but like Tulo (shortstop Troy Tulowitzki) said we don't really worry about that, we're eventually going to come through if we keep getting those chances in the game."

NOTES: Toronto LF Michael Saunders landed the final spot on the American League team for the All-Star Game with 17.7 million fan votes. The voting closed Friday. ... The Blue Jays recalled INF Andy Burns from Buffalo and returned RHP Drew Hutchison, who did not factor in the decision Thursday when he made a spot start in Toronto's 5-4 win, to the Triple-A club. ... The Blue Jays are 20-10 in Hutchison's past 30 starts dating to 2015. ... Tigers RHP Bruce Rondon (flu) was not available in relief Thursday. He was so ill that he was sent to the team hotel during batting practice. He was back with the team Friday. ... Toronto RHP Aaron Sanchez (9-1, 2.94 ERA) will face Detroit LHP Matt Boyd (0-2, 6.44 ERA) in the third game of the four-game series Saturday. RHP Bobby Parnell was demoted to make room for Boyd.