I was thinking about what Mack had in January 1998 versus what Sark is getting in January 2021. I consider the Strong/Herman years just a more recent version of the McWilliams/Mackovic years, with no need to account for what they inherited.
QB - About even. James Brown was gone, but was rather ineffective and injured throughout the year before. Mack was getting Richard Walton and a backup battle between Cicero and Applewhite. We didn't know what we had in pretty much any of them. I think that's about the same as Thompson/Card. While everyone loved what they saw in the Alamo Bowl, it's difficult to temper that with expectations against "actual" defenses and not CU's. Murphy might be a whole new level, but we're not there yet.
RB - Better for Mack. Call me crazy, but because of how the game has changed, I don't think 2021 is a huge disadvantage compared to 1998. Don't get me wrong, Mack still had it better with Williams and Mitchell, but Bijan and Roschon can hold their own. If Bijan was around in 1998, he'd be getting more carries and accolades.
WR - Big ups to Mack. McGarity/Cavil might be one of the top-5 best WR combos we've ever had. While Sark's depth is far easier on the eye test, Mack was easily inheriting a duo that would combine for 109 catches (something that took 5 WRs in 2020) with a QB who was a virtual unknown. Today, it's expected that every college football team have like 15 WRs on the depth chart, and I think it's more difficult for good-but-not-great ones to shine. I think Sark will be ok with the position, but Mack still had it a little easier based on the offense we ran.
TE - About even. Derek Lewis was still highly regarded for "the rollout," but the TE main responsibility in 1998 would be blocking for Ricky anyhow. Our TE depth in 2021 will be better than the others we had in the rotation back then.
OL - HUGE ups to Mack. Pretty much all of our 1998 guys could have been considered all conference, especially on the right side. They had played pretty well in 1997, paving the way for Ricky to be considered the best back in the nation before Mack arrived. C was our only question mark going into the season, and Gaskamp did that very well. Now? Meh. I think if Kerstetter had become more of a force earlier in his career on the interior instead of T, we might be able to have a better comparison to 1998 in the rest of the line. While all of the guys now have a season's (or more) worth of starts under their belts, I don't think anyone really believes they compare favorably.
DL - Again, HUGE ups to Mack. It would have been closer if he hadn't spun Aaron Humphrey down to DE, but he inherited Hampton and Rogers, arguably two of our best DTs ever. Woodard was a good tweener. Sark's also going to have a transitional period where we move people around between those positions, and guys like Collins are going to bring it eventually, but I don't see our DL shutting down teams like the 1998 version did against NU and A&M.
LB - Push. Mack was basically forced to use Dusty Renfro as the leader of a D that had been decimated the prior year. DD Lewis was a freshman who switched positions. Aaron Babino was a junior who switched positions. Anthony Hicks was a future NFL'er but I don't think anyone quite knew that about him. The talent is about the same now, but the LB position isn't what it was in 1998 due to the spread and changes to how LBs are forced to play. I think Overshown is more talented than any of the 1998 guys, but our depth isn't quite there. Carl Reese had an easy scheme for LBs. We'll see what Coach K and Choate have in store.
DB - Sark wins on depth alone. While Mack had Jammer, who had shown flashes in the year before he arrived, there was virtually nothing else for the 1998 team to hang their hat on. Tony Holmes and Joe Walker were pretty big liabilities, which led to some pretty nervous playing time for freshmen Hill and Brooks, both of whom are like 5'5". Jamison and Thompson alone are steadier than every one of those 1998 options, while Adimora is expected to be that Budda Baker role that Coach K used in Washington. Heck, even Foster, who has been much maligned by this board, would have been superior to every other safety in 1998 not named Jammer.
ST - Was going to call it a push, but I think it's a slight edge to Sark. We didn't know that Stockton would be as reliable as he ended up at K (and sometimes P). We know what we have in Dicker, and our returners are FAR better now that whatever Mack thought he would put out there. 1999 would end up being the "WTF" year for special teams, not 1998, leading to the first of many years on Hornfans with "When are we going to get a special teams coordinator?" posts.
So, by unit, it's 4 for Mack, 2 for Sark, and even for 3. But those 4 Mack "wins" are more important units in my opinion. The 1998 team ended up 9-3 with a bowl blowout win, and its only losses to great teams (UCLA and KSU both had shots at the national championship until they both **** the bed in the final weekend) and a should-have-been-better Tech team that had lost 3 straight to ranked teams before finally beating us. I think we'll have similar success in 2021, and wouldn't be surprised with 3 losses.