Reigning Heisman Trophy winner Mark Ingram injured his left knee on Monday and won't play in the season opener against San Jose State on Saturday, according to a statement from Alabama head coach Nick Saban.

Ingram had an arthroscopic procedure on Tuesday morning, according to Saban.

"Mark Ingram sustained a left knee injury late in Monday's practice," Saban said in the statement. "It was a situation where everyone involved thought it would be better to take care of now, so he would not have any issues with it later in the season."

Top-ranked Alabama won't need Ingram against San Jose State. The schedule, however, gets tougher the following week when Penn State comes to town.

"This is not an injury that will affect Mark's future ability to make a full recovery in a relatively short time frame," Saban said.

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The Crimson Tide have sophomore Trent Richardson available to play in Ingram's place. Richardson rushed for 751 yards and eight touchdowns last season.

Richardson would be a star on just about any team in the country and it wouldn't surprise many if Ingram and Richardson each go over 1,000 yards this season.