Brendan Rodgers' Celtic side are expected to be active in the summer transfer window.
The Robins are toiling near the bottom of the Championship table after a promising start to the season.
Tomlin has scored five goals and provided as many assists for Bristol City this season.
We preview the predicted line-ups ahead of the EFL Cup fourth round tie between Championship side Bristol City and Premier League strugglers Hull City.
The former Leeds United manager had plans to bring the Bristol City pair to Elland Road before he was sacked.
With the Championship going into the second international break, we look at the best XI from the division so far.
The Robins boss chose not to speak to his team immediately after their 3-2 defeat at Sheffield Wednesday.
Having seen their side lose 3-2 to Sheffield Wednesday after being 2-0 up, Bristol City fans took to Twitter to voice their frustration.
Another round of mid-week Championship fixtures beckons, so what should fans be on the eye for tonight?
The Robins have strengthened impressively this summer and have a wealth of options going into Saturday's match with Rotherham United.