Ronald Glen Davis (born January 1, 1986) is an American professional basketball player who's currently a free agent. He has previously played for the Boston Celtics, Orlando Magic and Los Angeles Clippers of the National Basketball Association (NBA). Formerly a college basketball player with LSU, Davis was selected by the Seattle SuperSonics with the 35th overall pick in the 2007 NBA draft and was shortly after traded to the Boston Celtics. Davis is listed at 6 ft 9 in (2.06 m), 289 lb (131 kg).
High school career
Davis attended University Laboratory High School in Baton Rouge, Louisiana.
The Southeastern Conference's coaches voted him the 2006 SEC Player of the Year, and he was additionally named to the All- SEC first team. In 2006 as a sophomore, Davis led the Tigers to their first Final Four appearance after 1986. In the crucial game of the National Semifinals, LSU lost to UCLA, trailing by a wide margin in the first half and never managing a comeback. Davis scored 17 points and only made 4 out of 10 free throws before eventually fouling out.
Boston Celtics (2007–2011)
On March 20, 2007, Davis held a press conference to announce that he would forgo his senior season at LSU and enter his name into the NBA draught in 2007.  He signed with agent John Hamilton of Performance Sports Management. 
Davis was drafted by the Seattle SuperSonics with the 35th overall pick in the 2007 NBA draft. The rights to Davis were traded to the Boston Celtics along with Ray Allen for Delonte West, Wally Szczerbiak and the rights to the fifth overall pick in the 2007 NBA draft, Jeff Green.
Davis was on the Celtics' 2007 summer league team. With the departures of Ryan Gomes, Gerald Green, and Al Jefferson, Davis was expecting to see a lot of playing time his rookie season. Though he's primarily a power forward, Davis additionally spent a few time playing as the team's backup center in the regular season. 
After coming off the bench for the first 19 games of the season, Davis made his first NBA start against the Sacramento Kings on December 12, 2007, in place of injured center Kendrick Perkins.   Playing at power forward with Kevin Garnett taking Perkins' place at center, he scored 16 points and pulled down 9 rebounds as the Celtics won the game 90–78.   His breakout performance took place against the Detroit Pistons on January 5, 2008, as he scored 16 of his 20 points in the fourth quarter, including the last basket of the game.   The Celtics would win the 2008 NBA Finals in Davis's Rookie season after they defeated the Los Angeles Lakers in 6 games.
On March 21, 2009, Davis scored a then-career-high 24 points against the Memphis Grizzlies in the Celtics 105–87 win in Memphis.
In the 2009 NBA Playoffs, Davis had significant playing time after injuries to Kevin Garnett and Leon Powe. In Game Four of the 2009 Eastern Conference Semifinals against the Orlando Magic, Davis made two key shots, including a buzzer beater, in the final seconds of the game to give the Celtics the 95–94 win over the Magic. After the shot, Davis accidentally jostled a twelve-year-old fan while running down the court in celebration. The boy's father complained to NBA and Celtics officials, but later retracted his demand for an apology. Davis apologised nevertheless, and said that, "I'm a big guy. Imagine if my emotions are going so wild, and if I'm running by somebody, I don’t feel them. If I've hurt anybody or if I’ve done any harm to anybody, please forgive me because my intentions were harmless." 
On August 10, 2009, Davis signed a two-year, $6.5 million contract with the Boston Celtics.  On May 27, 2010, throughout the 2010 Eastern Conference Finals against the Orlando Magic in Game 5, Glen Davis suffered a severe concussion when he got elbowed in the face by Dwight Howard. Davis would play in the Game 6 clincher, finishing with 6 points and 7 rebounds as they advanced to the 2010 NBA Finals. The Celtics would once again face the Los Angeles Lakers in a rematch of the 2008 championship. In game 4, Davis had 18 points and 5 rebounds to tie the series at 2. The Celtics fell in seven games.
Orlando Magic (2011–2014)
On December 12, 2011, Davis was signed and traded to the Orlando Magic along with Von Wafer for Brandon Bass.  On April 3, 2012, Davis scored a then-career-high 31 points in a 95-102 loss to the Detroit Pistons.
On December 3, 2013, he recorded a career high 33 points, along with 3 rebounds and 3 assists, in a double-overtime loss to the Philadelphia 76ers. 
On February 21, 2014, Davis and the Magic mutually agreed to a contract buyout. 
L.A. Clippers (2014–2015)
On February 24, 2014, Davis signed with the Los Angeles Clippers.  On March 29, 2014, coach Doc Rivers had security escort Davis to the locker room after the two exchanged words when Rivers removed him from the game against the Houston Rockets.  On July 19, 2014, Davis re-signed with the Clippers on a one-year deal. 
Becoming an unrestricted free agent in 2015, Davis sustained a left ankle injury throughout the off-season that required surgery in early September,  sidelining him from basketball-related activities for eight to 12 weeks. 
In the summer of 2001, at only 15 years of age, Davis attended a basketball camp run by LSU alumnus and future Boston Celtic teammate Shaquille O'Neal on the campus of Louisiana State University. O'Neal challenged Davis to a friendly wrestling match, in which Davis lifted the 7 ft 1 in (2.16 m), 325 lb (147 kg; 23.2 st) center and body-slammed him to the ground. The encounter left a strong impression on O'Neal; ultimately, the incident helped Davis to get introduced to former LSU head coach Dale Brown. 
His nickname is Big Baby ,   given to him at the age of 9 by a youth league coach. At 5'6", 160 pounds, he was too large to play pee-wee and played as a senior. When Davis felt he was being bullied by his older opponents, Davis's coach was known to say, "Stop crying, you big baby." 
On December 21, 2008, Davis was injured in a car accident while driving to a game against the New York Knicks; he suffered a concussion and whiplash.  In 2013 he adopted a vegan diet for health reasons. 
NBA career statistics
|GP||Games played||GS||Games started||MPG||Minutes per game|
|FG%||Field goal percentage||3P%||3-point field goal percentage||FT%||Free throw percentage|
|RPG||Rebounds per game||APG||Assists per game||SPG||Steals per game|
|BPG||Blocks per game||PPG||Points per game||Bold||Career high|
|†||Denotes season in which Davis won an NBA championship|