[4] In 2007, he started all 12 games he played recording 56 tackles, including 13 in the Rose Bowl against USC and was tied for third in the Big Ten with four interceptions.

[18][19] Head coach Tony Sparano named Davis the fourth cornerback on the Dolphins' depth chart to begin the regular season, behind Will Allen, Sean Smith and Nathan Jones.

Davis recorded his first career regular season tackle on wide receiver Michael Jenkins for a three-yard loss in the fourth quarter.

[21] Davis surpassed Nathan Jones on the depth chart after the Miami Dolphins' Week 3 loss at the San Diego Chargers.

On October 4, 2009, Davis recorded three solo tackles, a pass deflection and returned his first career interception for a touchdown during a 38–10 victory against the Buffalo Bills in Week 4.

He intercepted a pass attempt by quarterback Trent Edwards that was originally intended for Josh Reed and returned it for a 23-yard touchdown at the end of the second quarter.

[30] Davis started in the Miami Dolphins' season-opener at the Buffalo Bills and made two solo tackles and deflected a pass in their 15–10 victory.

"[32] On November 7, 2010, Davis collected a season-high seven combined tackles and a pass deflection in the Dolphins' 27–10 loss at the Baltimore Ravens in Week 9.

[33] Davis started in the Miami Dolphins' season-opener against the New England Patriots and recorded four combined tackles before exiting the 38–24 loss due to cramps.

[27] Davis entered training camp slated as a starting cornerback, along with Sean Smith, but saw competition from Richard Marshall and Nolan Carroll.

[43] Head coach Chuck Pagano named Davis a starting cornerback to begin the regular season, along with Jerraud Powers.

[44] He made his Indianapolis Colts regular season debut in their season-opener at the Chicago Bears and recorded five solo tackles in their 41–21 loss.

[48] In Week 14, he collected eight combined tackles, broke up a pass and sacked quarterback Jake Locker during a 27–23 win at the Tennessee Titans.

On January 4, 2014, Davis started in the AFC Wildcard Game and recorded three combined tackles during a 45–44 victory against the Kansas City Chiefs.

[59] The following week, Davis recorded two combined tackles and two pass deflections before leaving the Colts' 49–27 victory against the Washington Redskins in the second quarter after sustaining a concussion.

[59] He received the concussion while attempting to tackle running back Roy Helu and remained on the ground for several minutes before walking off the field on his own will.

[59] During the AFC Divisional Round, Davis recorded eight combined tackles and a career-high five pass deflections in the Colts' 24–13 victory at the Denver Broncos.

[59] On October 25, 2015, Davis collected a season-high six combined tackles, two pass deflections and an interception during a 27–21 loss to the New Orleans Saints in Week 7.

[68] On October 16, 2016, Davis recorded a season-high five combined tackles, two pass deflections and an interception during a 26–23 loss at the Houston Texans in Week 6.

[71] On October 1, 2017, he started in his first game of the season and collected a season-high six solo tackles in the Colts' 46–18 loss at the Seattle Seahawks in Week 4.

[74] This account was disputed by Indianapolis Star columnist Gregg Doyel, who claimed the precipitating factor in not allowing Davis to travel with the team was actually a heated argument with head coach Chuck Pagano over his benching for poor play, a decision which was relayed to the cornerback by assistant coaches, causing Davis to take umbrage.

[75] On November 8, 2017, it was reported that Davis decided to have surgery to repair a lingering groin injury he sustained during the preseason, which would take him out of play for the remainder of the season.

[79][57] Davis was a healthy scratch during the team's Week 1 game against the Baltimore Ravens — a pregame decision regarded by Buffalo News beat-writer Jay Skurski as "mildly surprising.

"[80] This proved a precursor to national drama in Week 2, when in the middle of the September 16 contest with the Los Angeles Chargers, in which he had given up a touchdown to Mike Williams, Davis removed himself from the game, stating he was "done".

[81] According to a statement made by head coach Sean McDermott, it was not immediately clear whether he meant to retire or simply leave that particular game.

[87][88] Davis later commented that his abrupt retirement was due to the sudden realization that football was no longer what he was meant to be doing and that "leaving was therapeutic".

[89] Vontae was the younger brother of former San Francisco 49ers, Denver Broncos and Washington Redskins tight end Vernon Davis.