1st The Blue Jays do all their scoring in the 7th as they beat the White Sox, 8-0. Dave Stieb tosses a 3-hitter as he goes the distance. Barry Bonnell has a grand slam for the Jays.
3rd In Montreal, the Blue Jays beat the Expos, 7-5, in the Pearson Cup competition.
4th Johnny Bench collects his 2,000th career hit, a single off Steve Carlton in a 9–4 Cincinnati loss to the Phillies.
6th Angels Rod Carew goes 3-for-4 in a 4–2 win over the Tigers to raise his batting average to an even .500 (48-for-96). Carew will finish the season at .339.
7th Doug DeCinces ties the ML record with 11 assists at 3B and also hits the game-ending two-out homerun in the 12th off Aurelio Lopez as the Angels, deflate the Tigers, 6-5. Daryl Sconier ties the game with a 9th inning pinch homer off Lopez. Lou Whitaker has a leadoff homer for Detroit—his second in a row.
Tony Armas hits a grand slam and Dwight Evans and Jim Rice hit back-to-back homers to power the Red Sox to an 8-0 win over Mariners. Mike Vrown throws the shutout.
12th Dwayne Murphy hits a grand slam and drives in 5 runs, and Kelvin Moore belts a pair of roundtrippers to power the A’s to an 11-4 win over the host Tigers.
14th Ben Oglivie slugs 3 home runs as the Brewers come from behind to beat Boston 8–7 in 10 innings. Oglivie’s 3rd homer ties the score at 6–6 in the bottom of the 9th.
Toronto’s Luis Leal and Roy Lee Jackson combine to one-hit the Indians 8–1, allowing only an 8th-inning single to Chris Bando. Starter Leal pitches 5 innings, and is replaced by Jackson after a 1:42 rain delay.
16th Mets rookie Darryl Strawberry hits his first ML home run in an 11–4 rout of the Pirates.
Despite 9th-inning pinch hit solo home runs by Dave Engle and Bobby Mitchell and 2-run shots by Gary Gaetti and Mickey Hatcher, the Twins lose 7–6 to Oakland. Engle’s and Hatcher’s are hit off Tom Bergmeier and Dave Beard respectively. Oakland has a HR in the 9th to tie a ML mark for two teams.
18th Chicago’s Rich Dotson pitches a one-hitter against the Orioles, and loses 1–0. The only hit he allows is Dan Ford’s 8th-inning home run.
Greg Brock clubs 2 homers, one a grand slam, and drives in 6 runs as the visiting Dodgers beat the Expos, 13-3. Bert Hooton gets lifted with 2 outs in the 5th and the win goes to reliever Dave Stewart (4-0).
At the Vet, Jack Clark has a pair of hits, including a grand slam, and drives in 6 runs to lead the Giants to an 8-1 win over the Phillies. Mike Krukow and Greg Minton combine on the win.
Ted Simmons is most of the offense for Milwaukee, collecting 4 hits, including a homer, and driving in 6 runs, as the Brewers edge the Blue Jays, 7-6.
20th In a 5–0 loss to the Padres, Steve Carlton strikes out 4 batters to move past Walter Johnson into 2nd place on baseball’s all-time strikeout list. Carlton’s 3,511 strikeouts leave him 10 behind Nolan Ryan, who broke Johnson’s record earlier this season.
At Wrigley, Dave Concepcion has an RBI single and a tie-breaking grand slam to pace the Reds to a 9-5 win over the Cubs. Bill Campbell serves up the salami.
22nd The Phillies make a pair of trades, sending P Sid Monge to the Padres for OF Joe Lefebvre and P Dick Ruthven and minor leaguer Bill Johnson to the Cubs for P Willie Hernandez.
24th In a 6-4 loss to the Indians at the Kingdome, Seattle’s Julio Cruz steals 4 bases.
25th In a 6–0 loss to the Braves, Pirates Jim Bibby and Jim Winn combine to walk 7 consecutive batters in the 3rd inning, tying the ML record set by the Senators Dolly Gray in 1909.
28th Daryl Sconiers hits a 1st inning grand slam as the Angels top the host Indians, 7-4. It is Sconiers second grand slam of the year.
29th Dodgers pitcher Steve Howe is readmitted to a drug treatment center after suffering a relapse of the cocaine problem for which he had sought treatment after last season. Howe hadn’t allowed an earned run in his 14 appearances this season.
30th The Astros score 7 runs in 4+ innings off Ferguson Jenkins to tie the Cubs, then push across two runs in the 8th off reliever Bill Campbell to beat the Cubs, 9-7. Bill Buckner has a pair of homers for Chicago. After the loss, Lee Smith shoves a cameraman in the clubhouse, pushing the camera into his face.
31st AL President Lee MacPhail suspends Yankees owner George Steinbrenner for one week, citing “repeated problems” with the outspoken owner’s public criticism of umpires. Steinbrenner, who had been fined $50,000 by Commissioner Kuhn during spring training for berating some NL umpires, cannot attend games or be in his Yankee Stadium office during the suspension.
At Wrigley, Ryne Sandberg has a grand slam and 6 RBI, but the Cubs relievers falter again, coughing up 6 runs to Houston in a 12-10 loss.