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05/19/10 8:44 PM ET

Following review, Big Papi awarded homer

Red Sox slugger ripped drive over red line atop Monster

BOSTON -- The dramatic resurgence of David Ortiz continued on Wednesday night, as the Red Sox slugger belted his seventh homer in May. But it only became a home run once the umpiring crew took another look at it on instant replay.

Ortiz's drive to left-center in the bottom of the fourth inning hit the top of the Green Monster, just above the red line that signals a home run. The ball hit the shelf that is just above that line and bounced back into play. Third-base umpire Jerry Layne thought it hit off the Monster instead of over it.

After a couple of minutes of tape review, Layne emerged from the third-base dugout and signaled home run, much to the delight of the Fenway faithful. The two-run shot gave the Red Sox a 2-1 lead over the Twins.

It would have been a triple if the play had not been overturned, as Ortiz never stopped running.

In Tuesday's 7-6 win over the Yankees, Ortiz stood and watched as a towering drive hit off the wall in right field for a game-tying hit. Because Ortiz thought he had gone deep, he was late getting to second and was thrown out.

Instant replay started during the 2008 season. This was the fifth time a borderline home run has been reviewed at Fenway, and the third time the call has been reversed.

In April, Ortiz hit .143 with one homer and four RBIs. But he has come back in a big way this month, looking like the Big Papi of old.

Ian Browne is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.