Kailer Yamamoto will be a healthy scratch on Thursday against the Vegas Golden Knights, allowing O'Brien to re-enter the lineup. The 31-year-old O'Brien has only played once this month. He has one goal, 12 penalty minutes, and 15 hits in seven games this season.

O'Brien will take a seat on Tuesday as the Mammoth opt to get some fresh legs into the lineup for the tail-end of their back-to-back. Kailer Yamamoto will dress in his place.

O'Brien will make his first appearance since October 28th, slotting in for Kailer Yamamoto on the fourth line. O'Brien has appeared in six games this season, registering one goal and zero assists.

O'Brien was sidelined for most of training camp and missed the first four games of the season but will draw into the lineup on Friday against the San Jose Sharks. The 31-year-old O'Brien appeared in 28 games for Utah in 2024-25, picking up two assists and 50 PIMs alongside 34 SOG. Kailer Yamamoto will be a healthy scratch to accommodate O'Brien's return to the lineup.

O'Brien has been sidelined for most of training camp due to a lower-body injury and appears to be nearing a return to the lineup, but will not be ready for the season opener on Thursday. The 31-year-old grinder nicknamed "Spicy Tuna" appeared in 28 games for Utah in 2024-25, picking up two assists and 50 PIMs alongside 34 SOG.

O'Brien has been sidelined for most of training camp due to a lower-body injury but appears to be nearing a return to the lineup. The 31-year-old grinder nicknamed "Spicy Tuna" appeared in 28 games for Utah in 2024-25, picking up two assists and 50 PIMs alongside 34 SOG.

O'Brien is apparently "coming along but still far out," according to beat reporter Brogan Houston and is unsure if he will be ready for Utah's season opener on October 9th in Colorado due to a lower-body injury. The 31-year-old grinder nicknamed "Spicy Tuna" appeared in 28 games for Utah in 2024-25, picking up two assists and 50 PIMs alongside 34 SOG.

Kailer Yamamoto will draw back into Utah's lineup on Tuesday against the St. Louis Blues, resulting in O'Brien being a healthy scratch. O'Brien returned to the lineup yesterday from a one-month absence due to injury, recording three shots and two hits in 11:54 time-on-ice.

O'Brien has not played since March 14th but will return on Monday against the Nashville Predators. The 30-year-old O'Brien has played 27 games this season, averaging 9:12 time-on-ice and scoring two points (0G / 2A). Kailer Yamamoto will be a healthy scratch to accommodate O'Brien's return to the lineup.

O'Brien will fill in for late scratch Michael Carcone (lower-body). O'Brien has zero goals and one assist in 20 games this season.

Michael Carcone will draw back into Utah's lineup on Friday against the Winnipeg Jets, sending O'Brien to the press box as a healthy scratch. The 30-year-old O'Brien is averaging 9:22 time-on-ice, recording zero points, 24 penalty minutes, and 50 hits in 12 games.