The 2026 MLB season is entering week four, with several players excelling early on. Brendan Donovan of the Seattle Mariners tops the power rankings for third basemen after a strong start.
The 2026 MLB season is through three weeks. Numerous players are off to hot starts, while others are still working on timing and rhythm. The biggest stories are the players that come out of nowhere and have tremendous starts to their season. Here are the top 10 third basemen rankings in MLB heading into week four.
MORE: MLB catcher power rankings in week 4
Donovan is off to a fast start in his first season with Seattle. He finished 2025 with a high on-base percentage. He will be one of the top offensive producers for a Mariners team looking for a deep playoff run.
Muncy is known to be a force against right-handed pitching. He’s staying healthy and doing damage early in 2026. It’s a long shot, but he can be among the NL home run leaders in 2026.
Underrated, Garcia made a name for himself last season. He finished with career highs across the board. He’s a safe bet to take another leap in 2026.
House had modest success in his 2025 rookie season. He showed glimpses of potential but suffered growing pains. He’s off to a hot start in 2026.
Caminero is heating up. After last season’s breakout, it’s only a matter of time before Caminero goes on a tear. He will be among the league’s best third basemen for the foreseeable future.
The young third baseman has started strong this season. He’s making consistent contact for a young Athletics team. He can have many opportunities to drive in runs.
Bregman is searching for a rhythm and is close. He’s poised to be a clubhouse leader in his first season with Chicago. It’s only a matter of time before he heats up.
The game’s best third baseman is heating up. He does it with power and stolen bases. By season’s end, he will be the top-ranked third baseman.
Machado is the epitome of consistency. Year after year, season after season, Machado is among the league leaders at his position. He will be a top-five third baseman by the end of the season.
Gorman has struggled to stay on the field following his breakout 2023 season. He’s failed to play in more than 111 games in back-to-back years. If he’s healthy, he can reach 30 home runs.
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Brendan Donovan of the Seattle Mariners is the top-ranked third baseman heading into week four.
Brendan Donovan finished the 2025 season with a high on-base percentage and is expected to be a key offensive player for the Mariners.
The rankings are based on players' performances and contributions during the early weeks of the 2026 MLB season.
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