Ignore the commentators. It is interference because B/R did not allow F3 to make a play on the ball.  Ruling has nothing to do with the running lane.

Force Play Slide Rule

Older video but still correct for today's rules.

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Running Lane Violations (Interference)

Batter Interferes with Catcher

Runner Interferes with Fielder

Catcher Obstructs Batter

Appeal Plays

Umpires Taking Tag Plays At The Plate

Unusual Plays

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Miscellaneous