Batter-Runner Interference Not Called

The Twins hosted the White Sox on April 22, 2025. The Twins had Luke Keaschall on second base and two outs when Trevor Larnach, facing Davis Martin, hit a tapper between home and first. The ball was fielded by Sox catcher Edgar Quero who fired to first. The ball struck Larnach in the back and deflected to second baseman Lenyn Sosa who threw late to the plate in an attempt to retire Keaschall.

White Sox manager Will Venable argued that Larnach should be called out for batter-runner interference and Keaschall should not score. Plate ump Brian O’Nora had no interference on the play.

This gave the Twins a 2-1 lead in a game they would win, 4-2.

Ruleball Comments

• Batter-runner interference should have been called on Larnach because he was running on the grass in fair territory and interfered with White Sox first baseman Andrew Vaughn from completing the play.
• In 2024, the 45-foot, 3-foot wide Runner’s Lane between home and first base was extended to the grass on the fair side of the foul line. As I have stated, “dirt is good, grass is bad.” When the batter-runner is running on the grass on the fair side of the first base line, he is in jeopardy of being called out for batter-runner interference if the umpire rules that the batter-runner impeded the defensive team from completing the play.
• The Runner’s Lane was expanded to give right-handed batters a more direct path to the base instead of crossing over into the Runner’s Lane box which few ever did.
• In the above play, in my opinion there was no excuse for Larnach, a left-handed batter to be running on the grass. The lefty batter can virtually take a direct path to first base from the left-handed batter’s box.
• Some have said that Larnach had a right to exit the lane when he neared first base. That would be true if Larnach was running in the 45-foot long, 3-foot wide Runner’s Lane on the foul side of the first base line most of the way to first base and then exited to reach the base.
• Rule 5.09 (a) (11) Comment reads, “The batter runner is permitted to exit the three-foot lane by means of a step, stride, reach or slide in the immediate vicinity of first base for the sole purpose of touching the base.” This would not apply to Larnach because he was running in the grass on the fair side of the foul line and did not deserve Runner’s Lane protection.
• Interference and obstruction plays are not reviewable.

Runner Interference Questioned

The Brewers and Cardinals played at Busch Stadium on April 26t, 2025. In the top of the seventh, the Brewers had Jackson Chourio on first base and one out when Christian Yelich, facing Steven Matz, hit a ground ball to Cards first baseman Willson Contreras who threw to shortstop Masyn Winn covering second base for the force. Contreras’ throw struck Chourio in the back and caromed into left field.

Chourio did not run a direct route to second base. He ran in on the grass on his way to second base and was in line with the throw. The ball got by Winn and landed in left field. Chourio advanced to third on the play. But second base umpire Marvin Hudson called “Time” and ruled that Chourio interfered with the play by intentionally getting hit by the thrown ball. Yelich was kept at first base.

Brewers’ manager Pat Murphy argued the call but to no avail.\

Ruleball Comments

• The runner only has a restricted baseline when he is avoiding a tag or is in a rundown. Therefore, the runner has the right to take a circuitous route to second base. In my opinion, this was not the correct call.
• Following the game, Brewers’ manager Pat Murphy said in his post- game interview, “I don’t talk publicly about umpires but that particular call, they got it wrong. They said he (Chourio) purposely obstructed (interfered). That changed the game. They’re good umpires and they know what they’re doing. It’s judgment-you’re going to get that from time-to-time. But it took an out and a guy on third off the board.”
• Because the runner does not have a restricted baseline in that situation, I can’t see how interference would be called unless there was obvious willful intent to interfere. Of course, that is umpire judgment and Hudson made the judgment that Chourio intentionally interfered with throw.
  Chourio had his arms up, but I think that was in preparation for his slide. I do not think he did anything egregious such as waving his arms that would warrant the interference call.
• I agree that interference is a subjective call, but I doubt that most umpires would rule intent to interfere in the above pay.
• I believe the runner intended to create a difficult throwing lane which he did. This is standard practice. But the onus is on the defensive team to establish a clear throwing lane. Is it a good rule? That’s a subject for debate.
• How often do teams practice this play defensively with a live runner going from one base to the other with the intent of disrupting the throwing lane? This is a common running strategy going from first to second and third to home.
• The call proved critical as the Cardinals won the game, 6-5.

Rich Marazzi

Rules consultant/analyst: Angels, Dodgers, Mets, Nationals, Orioles, Padres, Phillies, Pirates, Red Sox, Rangers, Royals, Tigers, Twins, White Sox, Yankees, YES, and Chicago Sports Network