Marcus Stroman was shaky for the fourth time in his last six starts and was again hurt by the home run in at the Stadium. Stroman regretted what he said was a slider on the outside part Ryan Mcmahon Jersey of the plate that Spencer Steer hit into the right-field seats for a three-run homer in the fifth inning. The right-hander had given up a pair of solo home runs, and not much else, until that point but it continued a poor run by the once-standout rotation. Ive got to be better in that fifth and give us a chance there, Stroman said. I was one pitch away from keeping it to two runs. I didnt do my job. Marcus Stroman allowed three homers Thursday against the Reds. Charles Wenzelberg Marcus Stroman has struggled in four of his last six starts. Charles Wenzelberg The three homers allowed were the most Stroman has given up this season and tied a career-high. Hes not alone in struggling in that department. A lot of our mistakes are ending up in the seats, Aaron Boone said. Its spoiling some outings. Explore More And Stromans ERA, which was 2.73 six starts ago, is up to 3.58. Stroman also acknowledged having Cincinnati speedster Elly De La Cruz on base is a distraction. He for sure takes a lot of focus, Stroman said. It feels like he steals bases very easily, so you have to have a priority on timing [and] slide steps, so you end up losing your focus on the hitter a little bit. Marcus Stromans ERA jumped to 3.58 after his latest Yankees outing Thursday. Robert Sabo for the NY Post Trent Grishams error on a Jeimer Candelario single to center in the top of the ninth was especially ugly, with Grisham appearing to go after the ball without much urgency. I just played back on it as opposed to coming to get it, Grisham said. I just made a mistake. Its frustrating in that situation. Grisham plays center field in a similar manner to the way Gleyber Torres plays second base with a nonchalant appearance and its cost both of them recently. Boone, though, didnt take i sue with Grishams approach. Trent Grisham committed an error during the ninth inning of the Yankees lo s. Getty Images Its one of those that looks bad in the moment, especially with what were going through as a team right now, Boone said. Its also the way Trent Grisham, Gold Glover, plays center field, with a relaxed, easy nature. Boone acknowledged he wasnt happy Candelario got to second base because of Grishams mistake, but stood by the outfielder. He has a track record of outstanding play out there and thats the way he does it, Boone said. With kind of a slow heartbeat [and] motor. Go beyond the box score with the Bombers Sign up for Inside the Yankees by Greg Joyce, exclusively on Sports+. Thank you By clicking above you agree to the and . Enjoy this Post Sports+ exclusive newsletter! Jon Berti (left calf strain) is expected to accompany the Yankees to Tampa when they begin a series Tuesday. The infielder will work out at the facility and hopefully get some live at-bats, Boone said. If all goes well, Berti could begin a rehab a signment at some point right after the [All-Star] break, Boone added. The versatile infielder has been out since injuring his calf May 24. Giancarlo Stanton ran on the field before the game and is just starting to ramp up the baseball activities, Boone said. Stanton, out since June 22 with a left hamstring strain, is still at least a few weeks away from a return. Boone said he did not have a timetable for Stanton but he believes the rehab is going pretty well. Giancarlo Stanton ran on the field before the Yankees faced the Red on Thursday. Robert Sabo for the NY Post Giancarlo Stanton has been out since June 22 with a left hamstring strain. Robert Sabo for the NY Post Austin Wells hit his fourth home run and second in his last five games with a solo shot in the fifth as his production at the plate picks up. Alex Verdugo entered in a 6-for-47 rut but matched his season-high with three hits including a pair of doubles. Tyler Kinley Jersey