TORONTO -- Fans in the upper deck at Rogers Centre for ALCS games between the Blue Jays and Royals are going to be drinking their beer out of plastic cups instead of cans. The Blue Jays banned can sales after fans threw them on the field during a ruckus earlier in the playoffs.

Blue Jays security and stadium operations head Mario Coutinho says beer will be poured into plastic cups starting Monday night at Game 3. The team reserves the right to cut off beer sales after the fifth inning if there are any problems.

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Coutinho says the Blue Jays did an assessment of the situation with police and then talked it over with Major League Baseball. He wouldn't say how many Toronto police officers would be at Monday's game, but said the number was "fairly high."

"We reviewed all our staffing levels and police deployment and we're confident that was adequate," Coutinho said.

In the seventh inning of Toronto's Game 5 win over Texas in the ALDS, a raucous crowd turned rowdy when Blue Jays catcher Russell Martin hit Texas batter Shin-Soo Choo with his seemingly routine return throw to the pitcher, resulting in a go-ahead run for the Rangers. During an 18-minute delay to sort out the ruling, fans tossed beer cans among other garbage. Many of the cans didn't reach the field, striking fans in the seats close to the field.