LAS VEGAS — The Red Sox are, quite obviously, in the market for a big bat to bolster the middle of their lineup . A secondary concern is ensuring their infield defense gets better — and not worse — in 2026.

From an offensive perspective, then, longtime Met Pete Alonso makes perfect sense as a right-handed masher who would provide much-needed pop. Defensively, though, he’s a liability. Alonso ranked last (18th) among qualified first basemen in defensive runs saved (negative-9) in 2025 while committing 10 errors (tied for the MLB lead) and ranking in the second percentile in range (negative-9 outs above average) and the fifth percentile in arm strength (73.5 mph average throw). His throwing issues were a story in New York all season.

For a Red Sox club intent on improving its infield def

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