Game of the day: San Francisco at Milwaukee, 8:10 p.m. The first-place Giants will have to keep plugging along without injured catcher Buster Posey, but it won’t be easy against a Brewers team that has won six straight and 11 of 13. Milwaukee right-hander Shaun Marcum (6-1) has won six straight decisions after losing his first start as a Brewer, and he has allowed one run or fewer in four of his last five starts. Two-time Cy Young Award winner Tim Lincecum (4-4) will start for San Francisco, coming off a three-hit shutout against Oakland in his last outing on Saturday.

Other game to watch:

Cleveland at Tampa Bay, 7:10 p.m. Cleveland is clinging to the best record in the American League while Tampa Bay is trying to stay close to the top of the American League East. The Indians have lost three straight games only once this season, but they will need to beat Rays left-hander David Price on Friday to avoid another three-game skid. Price (5-4) has allowed five earned runs in each of his last two starts, but he is 3-0 with a 2.59 ERA in four career starts against the Indians. Right-hander Josh Tomlin (6-1) will start for Cleveland, riding a streak of nine consecutive quality starts to open the season.

Games you should have seen:

Baltimore 6, Kansas City 5, 12 innings. Vladimir Guerrero hit a walk-off RBI single in the bottom of the 12th inning to send the Orioles to their fifth consecutive win. At 24-24, Baltimore is back to .500 for the first time since May 1. Left-fielder Nolan Reimold hit two home runs for the Orioles, who didn’t score between Reimold’s second homer in the bottom of the third inning and Guerrero’s single in the 12th. Kansas City has lost five straight games to fall a season-high five games below .500, and it is 10-20 since April 22.

Chicago White Sox 3, Toronto 1. Juan Pierre’s infield hit in the top of the ninth broke a 1-1 tie to lead the White Sox past the Blue Jays. Alex Rios scored from third on the hit, and Gordon Beckham scored from second on a throwing error on the play. Yunel Escobar homered for Toronto, which has lost three straight games to fall into last place in the American League East. Chicago has gone 13-6 in its past 19 games, but remains 8.5 games behind Cleveland in the American League Central.

Stat you should know: 14. Runs scored by the Red Sox in their 14-1 win over Detroit on Thursday. After Boston’s 14-2 win over Cleveland on Wednesday, the Red Sox scored 14 or more runs in consecutive games for the first time since 1998.

Star of the day: Marlins right-hander Anibal Sanchez pitched a five-hit shutout in Florida’s 1-0 win over San Francisco. Sanchez outdueled Giants right-hander Ryan Vogelsong, who allowed one run in eight innings in his first loss of the season. Sanchez (4-1) has three scoreless outings in his past four starts.

Chatter: “First-pitch fastball. I was looking for something out over the plate that I could put a good swing on. That was it.” – Phillies left-hander Cliff Lee, describing the pitch he hit for a tie-breaking ground-rule double in Philadelphia’s 10-4 win over the Reds. Hours after infielder Wilson Valdez earned the win pitching the 19th inning of the Phillies’ marathon victory the night before, Lee went 2 for 4 with three RBI to lead the Phillies’ offense