( CNN ) -- A San Francisco Giants fan who threw a banana that landed near Baltimore Orioles centerfielder Adam Jones during a weekend game said the incident was not racially motivated , but an act of frustration at his team 's poor performance . Alexander Poulides told the San Jose Mercury News that he 's embarrassed and shocked , but most of all apologetic for his `` indiscretion . '' Poulides said he was unaware of the uproar until Monday morning when he turned on the news . His heart sank when heard the outcry over an unidentified Giants fan who threw a banana at Jones , who is African-American . `` Oh , my God , '' Poulides said . `` I threw a banana on my way out . '' That 's when he contacted the newspaper to claim responsibility . `` I 'm embarrassed and shocked by the outcome , '' he said . `` In hindsight , I wish I did n't do it and I apologize . I 'm very sorry . '' Poulides grabbed the banana from a catering cart , tossing it on the field , he said . The fruit became a projectile of disgust during the ninth inning of a blowout loss on Sunday to the Orioles at AT & T Park . The team 's front office said it 's continuing to investigate . `` The Giants have a zero tolerance policy against this type of behavior , which results in immediate ejection from the ballpark , '' a statement from the team said . `` While we have been investigating the matter since we learned of the situation , unfortunately we have been unable to identify the person responsible . `` We would like to extend our sincerest apologies to Adam and the entire Orioles organization for this unfortunate incident . `` The inappropriate actions of this individual in no way reflect the values of our organization and our fans . '' Jones took to his official Twitter account to express his displeasure . `` I want to thank whatever ( expletive ) threw that banana towards my direction in CF in the last inning , '' he posted . `` Way to show ur class u jackass . '' MLB senior vice president of public relations Patrick Courtney told CNN Sports on Monday : `` We are looking into this situation . '' The Orioles overcame a two-run deficit to score 10 unanswered runs in the 10-2 victory over last season 's World Series champs . Jones hit a three-run homer at the top of the ninth inning to help clinch the victory . Man charged in banana throwing incident at NHL game . CNN Sports contributed to this report .
MLB to investigate incident at Orioles-Giants game Sunday . Orioles centerfield Adam Jones angry after claiming a fan threw a banana at him . Jones took to Twitter to voice his displeasure . Comment: