Chicago Cubs’ Matt Shaw adds another position to his repertoire: first base

Three days of early work at first base was all Matt Shaw needed before his position debut in spring game action for the ...
The New York Times

How Mariners helped Mets with Jorge Polanco’s transition to first base

Jorge Polanco had 87 starts as Seattle's designated hitter and 34 at second base in 2025. Vaughn Ridley / Getty Images Jorge Polanco has never logged a major-league inning at first base, where the New ...