Mets closer Jenrry Mejia has received an 80-game suspension without pay after testing positive for Stanozolol, a performance-enhancing substance, Major League Baseball announced Saturday.

Masahiro Tanaka is the only one who can end the speculation about his arm strength, and there’s only one way he can do it. Let’s not make this thing more complicated than it is. All the Yankees’ right-hander has to do is pitch well.

Chris Sale is the White Sox ace with the potential to collect multiple Cy Young awards, similar to another dominant left-hander, Randy Johnson.

Every lineup, every day, as they are made public by the clubs.

Saturday presents a mixed bag of options, as some teams will be using their fifth starters while others will send their aces out to the hill. The following players could be poised for success.

The season may just be starting, but this weekend will bring more than its fair share of drama and intrigue. There’s a sturdy group of division rivalries on tap, as well as a handful of exciting pitching matchups, one of which promises a World Series rematch.

If the Cardinals win their third straight division title, it could come down to their decision to place their trust in Carlos Martinez’s golden right arm.

In the winners’ clubhouse, it was eerily quiet. No music. No celebration. Actually, there had been a brief celebration on the field when it finally ended, all six hours and 49 minutes of it.

Mookie Betts lifted a sacrifice fly to center field in the 19th inning off Esmil Rogers, sending Xander Bogaerts home with the deciding run as the Red Sox defeated the Yankees, 6-5, in the longest game played at the current Yankee Stadium.

Brought in by Dodgers manager Don Mattingly as a fifth infielder in the bottom of the 10th inning with runners on the corners and one out, Yasiel Puig was guarding the third-base line as part of an overloaded left side.

Steven Wright, who at one point this week was poised to be the Red Sox’s starting pitcher Saturday afternoon, instead pitched five innings beginning sometime after midnight Friday in the longest game in Red Sox history, a 6-5 win over the Yankees in 19 innings.

Here are some facts and figures from the Red Sox’s back-and-forth, 19-inning 6-5 victory over the Yankees.

Mark Canha drove a two-run shot for his first MLB home run and Drew Pomeranz went seven scoreless innings as the A’s lineup tagged Mariners starter Taijuan Walker for nine runs in a blowout win.

Mookie Betts struck out in the ninth inning. And in the 13th. And in the 15th. And in the 17th. But he made up for it in the 19th.

The longest home game in Yankees history was extended by 16 minutes by a light failure in the home half of the 12th inning, which was believed to have been caused by a power surge through Yankee Stadium.

Ender Inciarte’s one-out single in the 10th inning helped the D-backs walk-off the Dodgers, 4-3, on Friday night in the first of a three-game series at Chase Field.

Wil Myers’ RBI double in the eighth inning Friday didn’t just snap the team’s 22-inning streak of scoreless innings, but it lifted the Padres to a 1-0 victory over the Giants at Petco Park.