Staying ahead of lineup changes can be the difference between winning and losing in fantasy baseball. Here's what you need to know as we move toward the end of June.
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Arizona Diamondbacks
Jordan Lawlar and Lourdes Gurriel Jr. recently returned from the IL. Lawlar has taken over center field with Ryan Waldschmidt back at Triple-A. Tommy Troy was the primary left fielder while Gurriel was out. Gurriel has started there just once in the three games since his return, plus one start at DH. Ildemaro Vargas' playing time has grown more sporadic as the team gets healthier.
Athletics
Lawrence Butler's playing time has ticked up with Brent Rooker sidelined, though he still sat against a righty Thursday. Henry Bolte is the primary center fielder but still isn't playing every day. Zack Gelof has started every game since May 3.
Atlanta Braves
Drake Baldwin returned this week, resuming leadoff duties against RHP and batting second vs. LHP. Mauricio Dubón, Ha-Seong Kim, and Jorge Mateo are still splitting shortstop, but Dubón is the only one who'll see time elsewhere on most days.
Baltimore Orioles
They've faced a right-hander every game since June 4, with three more lined up this weekend against the Dodgers, which has helped their lineup consistency. Over the past couple of weeks, Blaze Alexander has gotten more run at third base than Coby Mayo. Leody Taveras and Colton Cowser are soaking up most of the center- and right-field reps at Tyler O'Neill's expense.
Boston Red Sox
Jarren Duran was dropped to fifth last Friday, bumping Mickey Gasper into the leadoff role since then. Duran even hit fifth in a couple of games against righties that Gasper missed, so the move looks semi-permanent. Marcelo Mayer remains in a strong-side platoon even after moving to shortstop.
Chicago Cubs
Lots of consistency here lately. Moises Ballesteros was optioned to Triple-A on Thursday, which could mean more playing time for Matt Shaw in right field with Seiya Suzuki at DH.
Chicago White Sox
Sam Antonacci and Chase Meidroth continue to platoon at leadoff. Andrew Benintendi and Randal Grichuk are platooning at DH. Jacob Gonzalez essentially platoons with Luisangel Acuña, with Miguel Vargas and Colston Montgomery shifting around to accommodate.
Cincinnati Reds
Terry Francona continues to rotate at leadoff, with Blake Dunn and Edwin Arroyo getting the opportunities this past week. Noelvi Marte has started nine of 13 since being recalled from Triple-A. JJ Bleday has started every game since April 29.
Cleveland Guardians
Brayan Rocchio jumped from ninth to second or third with José Ramírez, Chase DeLauter, and Angel Martínez all hitting the IL. Gabriel Arias returned and is covering third base, so Rocchio isn't giving up shortstop. Travis Bazzana plays every day, but he sometimes drops from leadoff to the 4-6 range against southpaws. Steven Kwan has sat against three of the past four lefties they've faced.
Colorado Rockies
Cole Carrigg has played center field in all nine games since his call-up. Hunter Goodman plays nearly every day, ranking fifth in plate appearances among primary catchers.
Detroit Tigers
Gleyber Torres is back on the IL, opening up second base for Hao-Yu Lee. They've been consistent otherwise, with Matt Vierling, Wenceel Perez, and Jahmai Jones filling short-side platoon roles.
Houston Astros
Jose Altuve has gotten a couple of maintenance days since returning from the IL, but he's otherwise back and primarily hitting fifth. Jeremy Peña has been the leadoff hitter when healthy this year. Yainer Diaz returned from the IL this week.
Kansas City Royals
Carter Jensen and Lane Thomas are platooning at leadoff. Michael Massey platoons with Nick Loftin at second base, while Starling Marte and Kameron Misner share a platoon of their own.
Los Angeles Angels
Mike Trout hit the IL with a hamstring injury Thursday, and the Angels called up Christian Moore to replace him. Meanwhile, Vaughn Grissom returned from the injured list to reclaim first base, ending Trey Mancini's inspiring run back in MLB. Jo Adell hasn't posted the same high-end results as last year, but the totality of injuries on this team will keep him glued in the heart of the order as an everyday player.
▶ RELATED: Check out this week’s Waiver Wire Watch
Los Angeles Dodgers
Tommy Edman made his season debut this week, playing third base against a lefty. He also hit leadoff, since Shohei Ohtani didn't bat that day. Ryan Ward and Alex Call are platooning in left field, while Alex Freeland has taken over the bulk of the playing time at second base.
Miami Marlins
Kyle Stowers is up to eight games (seven starts) at first base this season, adding some helpful eligibility. Xavier Edwards hits cleanup against right-handers, giving him more RBI opportunities than one would expect from a player with his skill set.
Milwaukee Brewers
Cooper Pratt was called up to take over shortstop with Luis Rengifo designated for assignment. David Hamilton (vs. RHP) and Joey Ortiz (vs. LHP) have split third base in the three days since.
Minnesota Twins
Royce Lewis has started all 11 games since being recalled from Triple-A, including eight at first base and two at second base. Kody Clemens is bouncing between first base and all over the outfield, hitting third most days. Trevor Larnach and Austin Martin platoon at leadoff.
New York Mets
Carson Benge has hit leadoff in every game since May 12. Mark Vientos has started just twice in the team's past 11 games. He's in a first base platoon with Jared Young, who bats cleanup against RHP.
New York Yankees
Paul Goldschmidt barely played to start the year, but he's hit 1-4 in every game this month. Jasson Domínguez is back off the IL and hitting in the top half of the order, playing right field. Spencer Jones is in center field against right-handers. Anthony Volpe's playing time is beginning to slip against righties. He essentially platoons with Jones, since Cody Bellinger and José Caballero can be moved around.
Philadelphia Phillies
Kyle Schwarber started at first base on Tuesday, but it looked like a one-off. Brandon Marsh and Bryson Stott continue to play every day, even against lefties. Adolis García's IL stint makes it all but certain they'll trade for an outfielder at the deadline.
Pittsburgh Pirates
Spencer Horwitz has led off against every righty since May 24, and the team now heads to Coors Field for a weekend series. Bryan Reynolds has simply been fantastic this season, hitting third every day. Injuries to Konnor Griffin and Oneil Cruz are thinning the depth in a lineup that got off to such a promising start in 2026.
San Diego Padres
This lineup has struggled to score, but it's stayed consistent after spreading things out earlier in the year. Injuries and underperformance are the main culprits. They're an attackable offense when streaming pitchers.
San Francisco Giants
Bryce Eldridge has moved up to the two-hole against righties and hit third against the one lefty they've faced recently. There's a lot of lineup consistency at the moment, but Heliot Ramos' eventual return from the IL could throw a wrench into things. Casey Schmitt has been mostly in left field over the past month.
Seattle Mariners
Cal Raleigh and JP Crawford have returned from the IL. Crawford immediately reclaimed the leadoff job, but he's now at third base, with Colt Emerson sticking at shortstop. Dominic Canzone now bats cleanup against righties, though he remains in a strict platoon role.
St. Louis Cardinals
Lars Nootbaar is swinging the bat well and has taken over the five-hole against righties, platooning with Nelson Velazquez in left field. Blaze Jordan has started every game since being called up on June 12, usurping the hot corner from Nolan Gorman. Joshua Baez remains at Triple-A without a clear everyday role, but he's a must-watch for a call-up this summer.
Tampa Bay Rays
Chandler Simpson has fallen from leadoff to the bottom half of the lineup. Yandy Díaz is back to hitting first as a result, while Cedric Mullins has slid into the three-hole against right-handers. Austin Slater has joined the big-league club and starts against all lefties.
Texas Rangers
Wyatt Langford bats third against RHP and leadoff vs. lefties. Joc Pederson takes over leadoff against righties, as he has since May 12. Alejandro Osuna has taken over center field with Evan Carter sidelined.
Toronto Blue Jays
Vladimir Guerrero Jr. hit his fourth homer of the season on Thursday. This lineup badly needs him to heat up power-wise. Kazuma Okamoto's 15 homers are more than double the next-highest total on the team. George Springer has yet to play the field this season, tracking toward UTIL-only eligibility in 2027.
Washington Nationals
Curtis Mead is still sitting against some righties, but he bats second or third whenever he starts and often comes off the bench otherwise. Dylan Crews was recalled on May 19 and has sat just two games when healthy since then.