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
