NASHVILLE https://www.coltsfanshop.com/Rigoberto-Sanchez-Jersey , Tenn. (AP) — The Indianapolis Colts have Andrew Luck healthy and throwing the ball all over the field.That's more than enough with an injured Marcus Mariota stuck watching from the Tennessee sideline.Luck threw for 285 yards and three touchdowns and the Colts beat the Titans 33-17 on Sunday night for the final spot in the postseason as the AFC's No. 6 seed. With the Texans winning the AFC South title earlier Sunday with a victory over Jacksonville, that left the Colts and Titans playing for the second wild-card berth and a visit to Houston on Saturday."It's been a lot of fun," Luck said. "It's been a journey, that's for sure. I think what this team is doing is enjoying the journey."Luck remained perfect against Tennessee, notching his 11th victory for the most wins by a quarterback since at least 1970 to win his first 11 starts against one franchise. He helped the Colts (10-6) — under first-year coach Frank Reich — end their postseason drought by winning for the ninth time in 10 games after a 1-5 start."I mean you're 1-5, and that's special," Reich said. "It not only takes the whole team for 10 weeks, so that's very special."The Titans (9-7) snapped a four-game winning streak with Mariota sidelined by neck and foot injuries. They missed a second straight playoff berth under first-year coach Mike Vrabel."We made a decision that Marcus wasn't going to play tonight," said Vrabel, who gave no details on when the decision not to start Mariota was made nor the seriousness of his injury. "We'll continue to evaluate him and try to worry about his health and every one of those guys' health — Marcus included."The Colts intercepted two of Blaine Gabbert's passes in the final 9:05 to finish off their 13th win in the last 15 games in the series.Marlon Mack ran for 119 yards and a TD for the Colts. Adam Vinatieri kicked field goals of 53 and 25 yards. The NFL's oldest active player missed his final extra point.Derrick Henry, who took the Titans' first offensive snap out of the wildcat, finished with 93 yards.Tennessee was missing three defensive starters with four-time Pro Bowl defensive tackle Jurrell Casey placed on injured reserve Monday and linebacker Brian Orakpo scratched for a third straight game. That left the Titans unable to pressure Luck even with the Colts missing center Ryan Kelly because of a neck injury.And Luck simply shredded a Tennessee defense that came in as the NFL's No. 2 scoring defense giving up just 18 points a game and sixth against the pass.He drove the Colts 92 yards before hitting Dontrelle Inman with an 11-yard TD pass and finished off a 90-play drive that used up nearly 10 minutes with a 9-yard pass to Eric Ebron. That left the Colts up 14-0, having held the ball for nearly 17 of the first 21 minutes.Luck also added a 1-yard TD toss to Ryan Hewitt on the opening drive of the third quarter for a 24-10 lead."The most satisfying thing is to walk in the locker room, look at your teammate and say, ‘We did it,' and we did it," Reich said. "Those are three of the best words that you can ever say to your teammate. To me, that's really the pot of gold at the end of the rainbow."Titans linebacker Jayon Brown almost singlehandedly kept the Colts from putting the game away before halftime.Brown returned an interception 22 yards for a touchdown in the second quarter. After Adoree Jackson inexplicably grabbed at a bouncing punt that put the Colts at the Tennessee 9, the Colts had a TD run by Mack erased by a holding penalty on center Evan Boehm. Two plays later Marlon Mack Jersey , Brown stripped Mack of the ball and recovered it.Ryan Succop kicked a 38-yard field goal that pulled Tennessee to 17-10 at halftime. Gabbert threw a 22-yard TD pass to Luke Stocker to pull the Titans to 24-17 late in the third quarter.INJURIESThe already banged-up Titans had tight end Luke Stocker leave with an injured knee early in the second quarter followed by receiver Tajae Sharpe being helped to the sideline with an ankle. Stocker returned. Sharpe didn't.Colts defensive end Tyquan Lewis hurt his knee late in the first half and did not return. Colts receiver Ryan Grant hurt a toe.FLYING FLAGSThe Colts would have won by a bigger margin if not for penalties that wiped out not one, but two touchdowns. They at least salvaged a Vinatieri field goal after Jordan Wilkins‘ TD run in the fourth quarter was erased by a formation penalty. The Colt were flagged 12 times for 96 yards. The Titans, who came in as the NFL's least penalized team, finished with nine penalties for 75 yards.UP NEXT:Colts: Wild-card game in Houston on Saturday.Titans: Try to get Mariota healthy and find a better backup. INDIANAPOLIS 鈥?Andrew Luck has a one-track mind.With two regular-season games left, the Indianapolis Colts‘ quarterback insists he's paying no attention to playoff possibilities, scoreboards or other teams' schedules. Instead, he's focused on the only thing he considers important this weekend 鈥?beating the New York Giants on Sunday."I've been a part of teams where you sit and say, ‘We need this to happen with this.' It doesn't work like that," Luck said. "You've got to handle your own business."Few teams can match what the Colts (8-6) have done lately. They've rebounded from a 1-5 start to win seven of eight and put themselves back in the postseason hunt. After losing their first two home games, they've won five straight at Lucas Oil Stadium, and if they can beat the Giants (5-9), they could control their own playoff path.Coach Frank Reich doesn't do business that way, though.The former NFL quarterback simply asks his players to do their jobs: Keep two-time Super Bowl MVP Eli Manning and Offensive Rookie of the Year contender Saquon Barkley in check; prepare for the possible return of Pro Bowl receiver Odell Beckham Jr.; and expose the holes in New York's defense.New York, meanwhile, hopes it can continue a strong second half after starting 1-7. While winning two of three and four of six, the Giants already have knocked off NFC North champion Chicago and playoff hopeful Washington. They will be playing spoiler at Indianapolis."You're chasing wins," Manning said. "We're football players and this is what we do. We play football, that's our passion, that's our job Quenton Nelson Color Rush Jersey , and we're going to go out there and do it well and be able to celebrate some wins."It won't be easy.Indy pitched its first shutout in four years while rushing for 178 yards against Dallas' No. 3-ranked run defense last week. Luck is playing the best football of his career and the defense looks as stout as it has in almost a decade.The combination has made Indy a trendy pick as the team nobody wants to play, and if the Colts can win their last two, they could end a three-year playoff absence. But the Colts know they must stick to the plan."I am just very convinced there is no other way to approach it," Reich said. "I have been around a lot of good coaches, a lot of good players, (and) that is just what I have come to believe, experience and learn. There can't be any wavering from that (focal point)."SACK HAPPYIt's been feast or famine when it comes to sacks for the Giants. They had 14 in the first 11 games and then picked up five each in the next two weeks against Chicago and Washington.The added pressure resulted in four interceptions, including touchdown returns by linebacker Alec Ogletree against the Bears and Curtis Riley against the Redskins. Things got back to the norm in last week's shutout loss to Tennessee when New York had one sack and no interceptions.Facing the Colts might not help. Indy has allowed just 16 sacks this season, tied for fewest in the league.TACKLE WATCHRookie linebacker Darius Leonard acknowledged he was "heartbroken" not to make the AFC's Pro Bowl team this week despite leading the league with 146 tackles.And he hopes to take out his frustration on the Giants this weekend. Leonard says his weekly goal is to get 25 tackles, though he's upped the ante this week by saying he's hoping to finish with 40. If he hits either mark, Leonard will break Jeff Herrod's 27-year-old franchise record for tackles in one season.Leonard needs 15 tackles to move past Herrod (160).BARKLEY REBOUNDSPro Bowl running back Barkley was held to 31 yards on 14 carries in the loss to the Titans, his second-lowest total this season. The rookie ran for just 28 yards against Dallas in Week 2.The second pick overall in the draft also had 56 yards from scrimmage last week, marking the second time in 14 games he's been held below 100.Despite the bad game, Barkley is third in the league in rushing with 1,155 yards and he is not looking for a break even though the Giants have been eliminated from playoff contention."I would love my workload to be whatever it can be to help the team win," Barkley said. "I've said multiple times, if that's 10 carries or if that's 40 touches. I bumped it up to 40 this time."THE COMEBACK KIDLuck's comeback season has been better than expected.His completion percentage (67.3) is at a career high and he's six completions away from a career best in that category, too.What else? Luck heads into the final two games needing 810 yards and seven TD passes to break his previous career highs.100View Gallery Gallery:View from the sidelines: NFL cheerleaders 2018Raj Mehta-USA TODAY Sports | Raj Mehta