[2] He played with the Honolulu Sharks, West Palm Beach Expos, and Delmarva Shorebirds, and was elected to two Minor League All-Star games.

[2] Barrett made his MLB debut in 1998 as a third baseman, but was shortly outrighted to the minor leagues to play with the Harrisburg Senators for a season.

[5] Barrett attempted to make a comeback with the Toronto Blue Jays in 2009, but continued to struggle with injury issues, which led to his release in the subsequent offseason.

[11] He spent the next three years in the minors, playing in the Gulf Coast, South Atlantic, Hawaii Winter Baseball, and Florida State Leagues, during which he was converted from a shortstop to a catcher.

[2] His Minor League Baseball career was highlighted in 1996, when he scored 57 runs and recorded 113 hits as a member of the Delmarva Shorebirds.

[3] He was one of the Expos' most consistent hitters,[12] and posted career high statistics that season; leading all National League catchers with 33 doubles.

While increasing his number of stolen bases and batting and slugging percentage, he failed to record as many runs, hits, and RBI, as he did in the previous season.

He suffered the first during a game against the Colorado Rockies, during which one of Steve Reed's pitches accidentally hit and bruised Barrett's index finger.

[16] This ailment took its toll on Barrett during a game against the Atlanta Braves, when he strained the muscles while taking a checked swing.

[16] The Expos sent Barrett on a rehabilitation assignment to play with the Edmonton Trappers, a AAA team from the Pacific Coast League.

The team traded Barrett to the Oakland Athletics in exchange for minor league pitcher Brett Price.

[20] Barrett, who had just spent six days with three teams, shortly signed a one-year contract with the Cubs, which was worth nearly $1.55 million.

[21] He first practiced with the Cubs during their annual spring training sessions, and reported receiving a cold reception from teammates.

He played a crucial role in their wild card chase; Barrett maintained a .287 batting average and hit 16 home runs and 65 RBI during the 2004 season.

[3] He finished the season as one of the league's top defensive catchers (fielding at a .994 clip with six errors),[3] and led the Cubs in triples and sacrifice flies.

[22] Barrett, believing the pitch was a reaction to a three-run home run that Aramis Ramírez had previously hit, confronted Oswalt, and prompted both teams to take the field.

[28] Although he failed to meet and surpass the same statistical figures in the previous season, Barrett received a Silver Slugger Award for his efforts.

[31] Anderson and John Mabry eventually joined the brawl before both teams emptied their dugouts and stormed the field.

[35] After Lou Piniella dismissed the two from the game, another fight ensued within the Cubs’ clubhouse, and Zambrano punched Barrett's lip.

[37] Various news sources reported that the Cubs had traded Barrett to the San Diego Padres on the morning of June 20.

[39][40] The Cubs officially confirmed these details in the afternoon, and revealed that Barrett was traded in exchange for Rob Bowen and Kyler Burke.

[41] Despite stating he had no knowledge of the trade until hearing rumors in the morning, Barrett expressed his appreciation and well wishes to the Cubs organization on his homepage.

[51] On December 29, 2008, Barrett signed a Minor League deal with the Toronto Blue Jays, and attended spring training as a non-roster invitee.

He was scheduled to back up Rod Barajas,[53] but Barrett tore a muscle in his right shoulder while attempting to retrieve a wild pitch on April 17, 2009.

[54] The Blue Jays activated Barrett from the disabled list on July 6, 2009, and designated to Triple-A for a rehab assignment, where he sustained a season-ending injury.

[62] He also works with the Make-A-Wish Foundation and the Cubs Care Program to help lesser fortunate and sick children.

[3] More recently, he has worked with Kerry Wood and Ryan Dempster to raise money to help Derrek Lee's daughter and research for Leber's congenital amaurosis.