
Not many things have gone right for the Orioles in 2026. And yet, the development of Coby Mayo is easily one of the biggest wins of the season.
Early in the season, the 24-year-old Mayo was viewed as another one of Baltimore’s talented young players who couldn’t translate that talent into major league production. Much of that initial skepticism was warranted. Through the first month of the season, Mayo slashed .169/.244/.325 with more strikeouts (25) than hits (13). The young 3B’s early defining moment was a negative one, as an error against his hometown team cost the Orioles a loss to the Marlins back in May.
We saw a brief uptick in his play after the error, with Mayo putting up a .876 OPS over 15 games the rest of May. As we saw in September of the 2025 season, the mammoth home runs and more consistent play provided us with a brief proof of concept that Mayo could succeed in the big leagues. However, another boom-or-bust period from the beginning of June to the All-Star break (.183 average, .698 OPS, 41.7% strikeout rate) brought back those questions about whether the holes in Mayo’s game were too big to ever become an every-day player.
The second half of his season has put a lot of those questions to bed. In 42 games since the All-Star break, Mayo has put up a triple slash of .279/.331/.574. His .905 OPS in the second half only trails Pete Alonso among Orioles regulars. Mayo also ranks second in post-All-Star home runs (9) and third in RBIs (24), all while cutting down his strikeout rate to a more respectable (but still high) 32.6%.
And while his performance has improved across the board over the last two months, the young 3B is still a drastic-splits player. Against LHPs, Mayo, simply put, is the best hitter in all of baseball. Against lefties, he leads MLB in home runs (16), slugging percentage (.752) and OPS (1.136). If you gave Mayo 500 ABs against southpaws at his current rates, he’d hit 60 home runs and put up numbers that rival Aaron Judge’s MVP seasons.
Against right-handers, it’s a different story. His season-long totals are about as good as Colton Cowser vs. changeups. In 219 ABs against RHPs this year, Mayo is hitting .163 with a .513 OPS, while striking out in 37.9% of his ABs.
However, like the rest of his numbers, that performance has gotten better in the second half of the season. Across April, May and June, Mayo had a .148 average with a .235 slugging percentage. Across July, August and the early bit of September, those numbers have jumped up to a .203 average and a .391 slugging percentage. Perhaps most impressive in his improvement against right-handers is Mayo’s increased discipline, with his strikeout rate dropping from 40.3% across April-June to 31.9% across July-September. And as we saw yesterday, he can turn on pitches from pitchers on both sides.
Mayo’s second-half surge should be enough to guarantee him more playing time in 2027. His profile—as a player with elite raw power—is one that often needs a longer runway to adjust to major league pitching. I’ve often viewed Mayo’s ceiling as that of former All-Star Troy Glaus. In Glaus’ first full season, he hit .240 with a .781 OPS and 29 homers in 551 ABs. The next season, Glaus led the AL with 47 home runs while posting a 1.008 OPS en route to his first All-Star appearance.
With a .224 average, .748 OPS and 21 homers in only 352 ABs, Mayo is in line with Glaus’ first full season. However, if the Orioles want to see a similar jump from their 24-year-old power hitter, they’ll need to give him a more regular role instead of just a super-platoon role.
However, fitting Mayo into the lineup on an everyday basis could require some flexibility from the rest of Baltimore’s infielders. Assuming Jordan Westburg comes back healthy from his Tommy John surgery, the Orioles will have five players to split time between 2B, 3B and DH. Westburg and Alexander can play at both 2B and 3B, whereas Mayo and CES only play the hot corner and Holliday has spent the vast majority of his career at second.
However, creative solutions may be what’s needed to revamp the Orioles order going forward. Alexander has played 120 innings in the outfield this year. As one of the few consistent on-base threats in the lineup, Alexander might need to take some of the ABs from Leody Taveras and Tyler O’Neill going into next year.
Alternatively, Mayo could find himself as a semi-permanent DH next year. Manager Craig Albernaz has rotated players like Pete Alonso, Taylor Ward and Adley Rutschman in the DH spot this year to try and keep them fresh. However, the best option going forward could be an even split with Mayo and Samuel Basallo at DH, instead of this year’s DH-by-committee approach.
We may also see a Grayson-Rodriguez-style trade to alleviate the infield surplus. Any one of Westburg, CES or even Holliday could be on the move this offseason if the right upgrade opportunity arises. This front office has shown a recent ruthlessness in trading away players who no longer fit their long-term goals, and a trade of any of those three would open up more ABs for Mayo.
The failures of this Orioles’ season will largely be pinned on an offense that often couldn’t carry its weight. If the O’s want to avoid that fate again in 2027, Mayo needs to play more, starting now. How Albernaz and the front office create that playing time will be something to watch throughout September and into next season.


































