American Football Player Leaves NFL to Study Math
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John Urschel was living a life many athletes only dreamed of. He was a player in the National Football League (NFL).
Until Thursday, the 26-year-old Urschel played for the Baltimore Ravens football team.
But not anymore.
He announced he was giving up football to study math at the Massachusetts Institute of Technology.
Urschel played in the NFL for three years. He came to the Ravens after playing in college at Penn State University in State College, Pennsylvania.
Urschel was known among American sports fans for being both a good football player and also a mathematician.
Urschel studies complex math, like advanced algebra and machine learning.
He wrote about his studies in a 2015 article in The Player's Tribune. It was called "Why I Still Play Football."
He wrote that he loves math, but also loved to play football.
"There's a rush you get when you go out on the field, lay everything on the line and physically dominate the player across from you."
Urschel was an offensive lineman. That means he used his large body – over 1.9 meters tall and 136 kilograms – to keep the opposing team's players from tackling his teammates.
But it also means that he ran into other players over and over again.
Earlier this week, a study was released about the brains of American-style football players.
Researchers examined the brains of 111 former NFL players who had died.
All but one of them showed signs of chronic traumatic encephalopathy. That is the brain disease known as CTE. It is linked to hits to the head that are common in football.
The brains were donated by families of the former football players.
The Baltimore football team posted the news on Twitter. The team just started practicing for the new season this week.
Baltimore's coach is John Harbaugh. He said: "we wish him all the best in his future endeavors."
Urschel has not yet talked about his retirement. But the announcement came after the new study was released on Tuesday
Urschel is not the only football player to announce his retirement this week. Andrew Hawkins was a wide receiver for the New England Patriots. He retired on Tuesday at the age of 31, announcing his plans to study business and economics.
Hawkins earned a master's degree from Columbia University earlier this year.
Many people reacted to Urschel's news on Twitter, calling him a "genius" and praising his decision.
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I'm Dan Friedell.
1.dreamed of 梦想
I was swept off my feet, I had always dreamed of being an officer's wife.
2.giving up 放弃...
I can't help feeling slightly wistful about the perks I'm giving up.
3.go out 出去；过时
The bedroom light went out after a moment.
4.showed signs of 显示出...的迹象
They long ago showed signs of splitting up.
1.But it also means that he ran into other players over and over again.
ran into 撞到；偶然碰见
Pandemonium broke out as they ran into the street shouting.
The driver failed to negotiate a bend and ran into a tree.
2.But it also means that he ran into other players over and over again.
over and over again 一次又一次的
We had to do the scene over and over again, from different angles
This is what she has been saying over and over again--I don't know how many times.
约翰·尤索（John Urschel）过着很多运动员梦寐以求的生活 。他是美国国家橄榄球联盟（NFL）球员 。
尤索在NFL效力了三年 。他在宾夕法尼亚州立大学打球，之后进入乌鸦队 。
尤索是一名进攻内锋 。这意味着他要利用1米9高及136公斤的庞大身躯让对方球员 无法拦截他的队友 。
除一人外，所有球员都出现慢性创伤脑部病变的迹象 。这种脑部病变也被称为CTE 。该疾病与橄榄球运动中常见的头部撞击有关 。
巴尔的摩橄榄球队在推特上公布了这一消息 。本周，该队刚开始为新赛季热身 。
约翰·哈博（John Harbaugh）是巴尔的摩队教练 。他说，“我们祝愿他在未来的发展中一切顺利！”
尤索还未提及退役事宜 。但是他退役的决定是在周二的新研究发布后宣布的 。
尤索并非本周唯一一名宣布退役的球员 。安德鲁·霍金斯（Andrew Hawkins）是新英格兰爱国者队的外接手 。周二，31岁的他宣布退役并打算在商业和经济学方面深造 。