BALTIMORE — tuneup for the playoffs on Sunday when they meet the Baltimore Orioles in the finale of the four-game series and the last game of the regular season at Camden Yards.Houston (103-58) is headed to the American League Division Series to meet the Cleveland Indians starting Oct. 5. The Orioles (46-115) are headed home after the worst season in franchise history.Charlie Morton (15-3 Todd Helton Jersey , 3.18 ERA) starts for the Astros. The Orioles announced after Game 2 of Saturday’s doubleheader — which the Astros swept — that Jimmy Yacabonis (0-2, 6.00) gets the ball. Article continues below ...Morton came out of his last start after just one inning because of shoulder issues and told the media Saturday that there’s still some tightness there. It’s expected Morton will not pitch very long Sunday, but the veteran is looking toward the playoffs.“Part of the difficulty is the mental side of it; sometimes you just don’t feel right,” Morton told the media. “Sometimes you feel something’s wrong when there really isn’t anything that’s that bad, and you have to kind of accept that. I’m trying to loosen things up and get in a better spot overall and try to get ready to pitch in October.”Morton has a 1-2 career record with a 5.40 ERA against the Orioles.Yacabonis has filled in at times and made spot starts for Baltimore as the team tries to convert him into a starter. He’s been up and down but pitched well at times, just like Yefry Ramirez, who lost Game 2 of Saturday’s doubleheader.Yacabonis has never pitched against in Astros in his brief major league career.The Astros have shown some power in this series, especially in the doubleheader where they banged out five homers overall en route to their sweep of the slumping Orioles.Baltimore just hasn’t come up with enough offense against the tough Houston starters, which has been a problem for many teams the last few years, but the Orioles have battled that issue all season.“We’re just not doing much offensively against some good pitching (in this series) http://www.rockiesfanproshop.com/authentic-chad-bettis-jersey ,” Orioles manager Buck Showalter said after the doubleheader.Sunday’s game also could represent another bigger step in the rebuilding process that Baltimore began to undertake when it traded off several players around the deadline two months ago.It could be the final game for Showalter, who has been the team’s manager since August 2010 and led them to the playoffs three times. Adam Jones, the face of the team in recent years and one of its most popular players, is about to hit free agency, and GM Dan Duquette’s contract, like Showalter’s, expires after this season.The Orioles could let all three of them go and would be looking at a major rebuild. If so, that would disappoint many fans because of how popular Jones and Showalter are with them. So even though Sunday’s game means nothing to Baltimore other than the end to a very trying season, it could very well be the final page in a chapter of the team’s history. A look at what’s happening around the majors today:HOT TEMPERSSuspensions could be on deck after Wednesday night’s melee between the Braves and Marlins. Ronald Acuna’s chance to extend his home run streak was put on hold when Miami pitcher Jose Urena hit the rookie slugger in the left elbow with his first pitch, a 97 mph fastball that left Acuna in obvious pain. The benches and bullpens for both teams emptied twice. Urena and Atlanta manager Brian Snitker were ejected Charlie Blackmon Jersey , and Snitker had angry words for the pitcher. The 20-year-old Acuna exited in the second inning — the Braves said X-rays were negative and results of further tests would be announced Thursday. Atlanta won 5-2 to complete a four-game sweep.REDBIRDS SOARINGMarcell Ozuna and the Cardinals try to extend their season-best winning streak to nine games when they go for a four-game sweep of fading Washington. St. Louis, which is 18-9 since the All-Star break, hopes to have Matt Carpenter back in the lineup. On a major tear at the plate, Carpenter was removed from Wednesday night’s game as a precaution after being hit on the hand by a pitch in the seventh inning. X-rays were negative, and Carpenter doesn’t expect to miss any time. “The pain and swelling started to go down a bit,” he said. “I definitely dodged a bullet there.” Before leaving, Carpenter extended his on-base streak to 33 games. He has 17 homers and 30 RBIs during the run.TRYING TO FIND ITStruggling lefty Jon Lester and the first-place Cubs visit Pittsburgh in the opener of a four-game series between NL Central rivals. Lester (12-5, 3.89 ERA) is 0-3 with a 10.32 ERA in five starts since the All-Star break. Ivan Nova (7-6, 4.42) gets the ball for the Pirates.LET’S PLAY FIVEPhiladelphia hosts the New York Mets in an odd five-game series that begins with a single-admission doubleheader and ends with a “home” game about 180 miles northeast of Citizens Bank Park. The doubleheader Thursday includes the makeup of a May 12 rainout. Aaron Nola (13-3, 2.28 ERA) starts the opener for the Phillies http://www.rockiesfanproshop.com/authentic-chad-bettis-jersey , who trail first-place Atlanta by two games in the NL East. Steven Matz is set to come off the disabled list for New York. Zach Eflin opposes Mets rookie Corey Oswalt in the nightcap. The teams then have a 6:05 p.m. start time Friday because of a postgame concert. They play a late-afternoon game Saturday before traveling to Williamsport, Pennsylvania, for Sunday’s Little League Classic.IF YOU CAN MAKE IT THERE …Tampa Bay has lost 12 consecutive series at Yankee Stadium dating to September 2014, but Blake Snell and the Rays can end that dubious streak in the finale of a three-game set. Snell (13-5, 2.18 ERA) makes his second start after a stint on the disabled list because of left shoulder fatigue. He faced Toronto in his previous outing and was perfect through five innings before being pulled. Masahiro Tanaka (9-3, 4.08) pitches for New York.