Question: What 48th annual poker event did Scott Blumstein win $8,150,000?

Context articles: 2017 World Series of Poker
Carter Phillips
National Heads-Up Poker Championship
Irish Winter Festival of Poker
The Biggest Game in Town
World Series of Poker Tournament of Champions
Russ Hamilton
Konstantin Puchkov
Scott Blumstein
Alexander Borteh

The 2017 World Series of Poker was the 48th annual World Series of Poker (WSOP).
 It took place from May 30-July 17 at the Rio All-Suite Hotel & Casino in Las Vegas, Nevada.
 There was a record 74 bracelet events including the third edition of the $565 Colossus tournament and the $10,000 No Limit Hold'em Main Event, which began on July 8.
William Carter Phillips (born October 1988 in Richmond, Virginia) is a professional poker player from Charlotte, North Carolina who won the 2010 World Series of Poker event earning $482,774 and is the winner of the European Poker Tour Season 6 Barcelona Main Event earning €850,000 ($1,216,023).
 Carter is ranked #24184 on the Global Poker Index (info from July 8, 2014).
The National Heads-Up Poker Championship is an annual poker tournament held in the United States and produced by the NBC television network.
 It is a $25,000 "buy-in" invitation-only tournament organized as a series of one-on-one games of no limit Texas hold 'em matches.
 The participants include many of the world's most successful poker players, as well as celebrities.
The Paddy Power Poker Irish Winter Festival of Poker is an annual poker festival that takes place in Dublin, Ireland.
 First organised in 2001, the festival is headlined by the Irish Masters main event, a Texas hold'em tournament, and typically takes place over the three days of the October bank holiday weekend.
In 1983, Al Alvarez published, The Biggest Game in Town, a book detailing the 1981 World Series of Poker event.
 The first book of its kind, it described the world of professional poker players and the World Series of Poker.
 It is credited with beginning the genre of poker literature and with bringing Texas Hold'em (and poker generally), for the first time, to a wider audience.
The World Series of Poker Tournament of Champions is an invitational freeroll poker event.
 Wins in this event do not count as official WSOP bracelets, but the winner receives a large trophy in the shape of the official World Series of Poker logo.
 In 2010, the WSOP Tournament of Champions returned with a new format more akin to a typical sports league All-Star Event format.
 27 players vied for $1 million, with 20 of those players selected by the fans via online vote at the WSOP's website.
Russ Hamilton (born 1948 or 1949) is an American poker player.
 He was the 1994 World Series of Poker main event champion, defeating Hugh Vincent in heads-up play to win $1 million in first-prize money, as well as his body weight in silver.
 Following his World Series win, Hamilton served as a consultant for Ultimate Bet, an online poker server.
 In 2008, the Kahnawake Gaming Commission found Hamilton largely responsible for cheating players on Ultimate Bet out of $6.1 million through software that allowed access to opponents' hole cards.
 In 2009, Kahnawake increased the $6.1 million estimate to $22,100,000.
Konstantin Puchkov (born 1952) is a Russian poker player, horse trainer and horse breeder from Moscow.
 He was the fourth Russian-born player to earn a World Series of Poker bracelet.
 He is best known for having earned a World Series of Poker bracelet in his first World Series of Poker in the money finish (2010 World Series of Poker Event #31: H.O.R.S.E., $1,500 buy-in) and setting the record for most in the money finishes at one series during the 2012 World Series of Poker (11).
Scott Blumstein (born March 27, 1992) is an American poker player from Morristown, New Jersey.
 In 2017 he won the World Series of Poker Main Event for $8,150,000.
Alex Borteh is a professional poker player who won a World Series of Poker bracelet in a World Series of Poker event, the $3,000 Limit Hold'em event.
 Borteh has cashed in four WSOP events and made two final tables.
 In 2005, he finished in 3rd place in the $1,500 Limit Hold'em Shootout event.
 Borteh prefers limit hold'em to no-limit hold'em, considering the former a game that requires more skill.