Mike Conley and the Memphis Grizzlies have agreed in principle on a five-year, $153 million deal, according to league sources.This would be the richest contract by total value in NBA history, according to ESPN Stats & Information. It also would be the first deal worth $100 million or more total with an average annual value of more than $30 million per year.Sources told ESPN that the verbal agreement would be sealed Friday night and the final details were nearing conclusion.Conley, 28, who has never been an All-Star and was known for years as the NBAs most underrated player, also met with the Dallas Mavericks on Friday afternoon. However, the Grizzlies were always widely considered the heavy favorites to keep the nine-year veteran, who was drafted by Memphis with the fourth overall pick in 2007.The Mavs and other suitors could only offer Conley a max contract worth approximately $114 million over four years.Former Dallas forward Chandler Parsons will be one of Conleys teammates after agreeing to terms on a four-year, $94.8 million max contract with the Grizzlies earlier Friday. Sources said the pair had extended conversations about teaming up with the Grizzlies but never discussed the possibility of playing together in Dallas.Conley missed 26 games this past season -- the most since his debut in 2007-08 -- including the final 20 with left Achilles tendinitis for a Grizzlies team that made the playoffs despite setting an NBA record for most players used (28) in a single season.He finished with averages of 15.3 points, 6.1 assists and 2.9 rebounds per game, and had the sixth-best real plus-minus (plus-2.71) among NBA point guards.The five-year, $45 million extension he signed with the team in 2010 was widely questioned, given his lack of production to that point. But he went on to help lead the Grizzlies to a franchise-record six straight playoff appearances, including a Western Conference finals berth in 2012-13.During that time, Conley has become a principal figure in the Grizzlies Grit N Grind era. He also has formed a close relationship with center Marc Gasol, and it was widely reported that Conley aggressively recruited his teammate of eight years before Gasol re-signed with the Grizzlies last summer for $110 million over five years.Mike [being in Memphis] was big, Gasol told Sports Illustrated this season in regard to his free-agent decision. I will go through any type of wall for that guy.Conley was honored with his second Joe Dumars Trophy for sportsmanship this past season, becoming only the third player in the awards two decades to win more than once.Information from ESPNs Justin Verrier was used in this report. Cheap College Jerseys Free Shipping . - Baltimore Ravens quarterback Joe Flacco is not a fan of his teams use of the wildcat formation, saying "it makes you look like a high school offence. 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Plouffe batted .254 with 14 home runs and 52 RBIs in 477 at-bats last season, his second as a regular in the lineup.Barcelona manager Luis Enrique believes Gary Neville has made some telling changes on the pitch since taking over at Valencia, but is confident his side can fend off whatever comes their way in the first leg of their Copa del Rey semi-final. Valencia continue to struggle for consistency in La Liga, with a 1-0 home defeat by Sporting Gijon leaving the club eight league games without a victory and with only a five-point cushion above the relegation places.However, Enrique has been impressed by the way Neville has approached his first managerial role - the former Manchester United defender and England assistant having been appointed in early December 2015. You can already see what Neville has done with Valencia, Enrique said. They are great at getting the ball into the area, and they have some quality players to move the ball up the field. The manager has made changes and well have to deal with them.Valencia will create difficulties. They are a team that dares to generate pressure and they have some fine individuals. This wasnt an easy draw for either of us, but were hoping to play well and set things up nicely for the second leg. Luis Enrique has overseen 26 matches unbeaten at Barcelona After everything this club has done in recent years, its only logical that they are saying were the favourites, But we have to prove that were better on the pitch.dddddddddddd.Barcelona defeated Atletico Madrid at the Nou Camp on Saturday to take control at the top of the table as they extended their unbeaten run to 26 matches in all competitions, and Enrique is determined to maintain his squads focus through to the end of the campaign. More than setting one record or the other, what we have to aim for is trophies. This long unbeaten streak will help us to do that, but its no guarantee of anything, Enrique said.We are the defending champions of most competitions we play in, so what we have to do is go out and defend those titles.Enrique added: We are developing physically and we are performing well, so things are going more than well for us. We are ready to compete in what will not be easy conditions going into the final stage of the season.Follow Barcelona v Valencia on skysports.com and the Sky Sports apps with our live blog. Also See: Get Sky Sports La Liga video Fixtures Table ' ' '