Indianapolis Colts running back Marlon Mack shoves through the defense for a two point conversion.

Watch Marlon Mack continue his 100-yard hot streak in Week 8 vs. the Oakland Raiders.

Indianapolis Colts running back Marlon Mack dashes up middle for 4-yard touchdown.

Indianapolis Colts running back Marlon Mack rushes for a 49-yard gain.

Watch highlights of Indianapolis Colts running back Marlon Mack, who set a new career high with 136 rushing yards against the Buffalo Bills in Week 7 of the 2018 season.

Indianapolis Colts running back Marlon Mack rushes for a 20-yard touchdown against the Buffalo Bills for Week 7.

Indianapolis Colts running back Marlon Mack helps the Indianapolis Colts line up quickly against the Buffalo Bills for a Two Point Conversion.

Indianapolis Colts running back Marlon Mack rushes for a 23-yard gain against the Buffalo Bills for Week 7 of the 2018 season.

Indianapolis Colts running back Marlon Mack goes untouched with a 29-yard receiving touchdown from Indianapolis Colts quarterback Andrew Luck.

The Colts roster has reached the 90-man limit they'll carry into training camp. Colts reporter Caroline Cann gives you her positions to watch as well as an update on running back Marlon Mack.

Running back Marlon Mack sits down with radio host Matt Taylor and Colts.com writer Andrew Walker to discuss the changes that will come with the 2018 season.

Frank Gore has taken Marlon Mack and the other running backs under his wing this season as he comes to the realization he isn't getting any younger in this game. Colts reporter Caroline Cann takes a look at how Gore has already impacted Mack's young career.

General Manager Chris Ballard gives an update on Andrew Luck and how the Colts quarterback will miss practice this week. Then, Colts Reporter Caroline Cann takes a look at the Jacksonville defense coming to town this weekend.

Colts rookie RB Marlon Mack stops by the Colts 365 studios to discuss scoring his first career NFL touchdown in Los Angeles on Sunday and plays a trivia game with host Caroline Cann titled "Name That Mack".

Colts rookie running back Marlon Mack discusses his team's 46-9 loss to the LA Rams in week one of the 2017 NFL season .

Colts radio host Matt Taylor talks with rookie RB Marlon Mack who rushed for 45 yards on five carries in a 24-19 loss to the Dallas Cowboys in week two of the 2017 NFL preseason.

The Colts rookies have started practicing before the entire 90-man roster reports this weekend. Colts Media Reporter Caroline Cann gives some names to keep an eye on as roster spots start filling in throughout August.

Indianapolis Colts GM Chris Ballard and head coach Chuck Pagano make the draft day call to South Florida RB Marlon Mack.

Colts Area Scout Jamie Moore breaks down what made 4th round draft pick RB Marlon Mack so appealing during the scouting process.

Running back from South Florida Marlon Mack joins Caroline Cann 1-on-1 after being selected in the 4th round of the 2017 NFL Draft.

Rocky the orangutan from the Indianapolis Zoo announces the Indianapolis Colts' selection of USF running back Marlon Mack in Round 4 with the No. 143 overall pick in the 2017 NFL Draft.

Watch Southern Florida running back Marlon Mack's highlights from the NFL Combine.

Indianapolis Colts running back Marlon Mack (FedEx Ground Player of the Week) and linebacker Darius Leonard (NFL Rookie of the Week) are, for a second straight week, nominees for weekly league awards. Go vote now, and vote often.

The Indianapolis Colts dominated play on the ground for a second straight week, as running backs Marlon Mack and Nyheim Hines combined for 210 rushing yards in Indy's 42-28 victory over the Bills.

For their efforts against the Buffalo Bills in Week 7, Indianapolis Colts running back Marlon Mack and linebacker Darius Leonard are up for a couple of weekly NFL awards.

Indianapolis Colts running back Marlon Mack set several single-game career highs against the Buffalo Bills on Sunday en route to the Colts’ best rushing performance of the season.

Indianapolis Colts running back Marlon Mack returned to the lineup against the New York Jets on Sunday, and he was able to breathe some life into the offense’s run game.

Two major offensive pieces — left tackle Anthony Castonzo and running back Marlon Mack — were able to be full participants in practice on Wednesday. Could they play Sunday against the Jets? And what else did we learn on the day?

The Indianapolis Colts have been without their lead running back, Marlon Mack, for all but one game this year as he recovers from a hamstring injury. The second-year back is trying to remain patient so that he can stay on the field when he does finally get back.

Indianapolis Colts running back Marlon Mack will miss his second straight game — and third in four games overall — today against the Houston Texans. Who else landed on the inactives list?

Marlon Mack, who has been dealing with a hamstring injury for more than a month, is close to a return to the field for the Indianapolis Colts.

The Indianapolis Colts included running back Marlon Mack and left tackle Anthony Castonzo among their inactives for Sunday's game against the Cincinnati Bengals.

The Indianapolis Colts saw the return of running back Marlon Mack, who has been dealing with a hamstring injury, to the practice field on Thursday. What else did we learn on the day?

Indianapolis Colts head coach Frank Reich said two key players — left tackle Anthony Castonzo and running back Marlon Mack — are not yet ruled out for Sunday's season opener against the Cincinnati Bengals. What else did we learn on the day?

Indianapolis Colts head coach Frank Reich recently told 1070 The Fan’s Dan Dakich that the hope is for running back Marlon Mack, who has a hamstring injury, is that he can play in the 2018 season opener against the Cincinnati Bengals.

Indianapolis Colts head coach Frank Reich said Friday that wide receiver Deon Cain suffered a torn ACL in Thursday's preseason opener against the Seattle Seahawks and will miss the 2018 season.

Indianapolis Colts second-year running back Marlon Mack is cleared for the start of training camp after undergoing offseason labrum surgery.

Examining Indianapolis Colts running back Marlon Mack’s fantasy football prospects for 2018.

Colts.com’s Andrew Walker breaks down the action at Wednesday’s second day of OTA practices at the Indiana Farm Bureau Football Center in Indianapolis.

NFL.com’s Gregg Rosenthal has released his annual way-too-early projected starters list for the Indianapolis Colts in 2018. Who made the cut?

The Indianapolis Colts have added 11 new players with Saturday’s conclusion of the 2018 NFL Draft. What does the roster look like now after a busy offseason of moves?

Indianapolis Colts general manager Chris Ballard on Monday invited members of the local media into the team’s draft room for a two-plus-hour session to go over film on the team’s new draft picks, as well as discuss other roster matters. Here’s the full notebook from that session.

With the 2018 NFL Draft now officially a thing of the past, what are the outside experts and pundits saying about the Indianapolis Colts’ 11-man draft class?

The Indianapolis Colts have selected running back Jordan Wilkins out of Mississippi with the 169th-overall pick in the 2018 NFL Draft.

The Indianapolis Colts have selected running back Nyheim Hines out of N.C. State with the 104th-overall pick in the 2018 NFL Draft.

Night one of the NFL Draft felt like week one of the NFL season as the Colts celebrated with their fans.

The Indianapolis Colts enter this week’s 2018 NFL Draft with nine picks, including four in the first two rounds. Check out this comprehensive preview of the action, which starts with the first round on Thursday night.