Starting with injury losses in 2018:
1. Jimmy played only 3 games
2. Goodwin essentially only played 10 games.
3. McKinnon missed all season.
4. Tartt missed a lot of time, playing only 8 games and several of those he didn't make it through.
5. Breida constantly hurt and by the time we realized Raheem was the best #2, he got lost for the season. Wilson was solid, but fumble prone.
6. Richburg played hurt essentially all year (missed one game). Same with Sherman who missed two games.
7. Pettis, arguably our best receiver, missed five games last year.
8. Trent Taylor missed two games but struggled through his back injury recovery all year.
9. Starter Pierre Garcon coming off a neck injury struggled with multiple other injuries all year, playing only 8 games.
10. Starting WILL Reuben Foster was suspended for two games, came back, got hurt and struggled through injury before off-field issues led to him eventually getting cut in November.
Next, evaluation of ability and experience in 2018:
Group 1: No NFL Experience
Fred Warner, Dante Pettis, Marcell Harris, Tarvarious Moore, Mike McGlinchey, and Jeff Wilson were all rookies who started games last year. Reed as well if you count him starting as KR. They all had their share of rookie mistakes. Some really significant ones.
Group 2: Sophomores
Witherspoon, Colbert, Magnuson, Solomon Thomas, Kendrick Bourne, Nick Mullens, and CJ Beathard were among several second year players who had their share of critical mistakes last year as well.
Group 3: Washed up Vets
Earl Mitchell was very average and should've been replaced by DJ Jones much sooner. Injuries and age caught up to Pierre Garcon. He had his worst season of his career and most injury plagued one yet. He could not separate whatsoever and had several horrendous drops, including at least one that directly turned into an INT.
2019 Indisputable Circumstances:
As of today, we obviously don't know for sure what kind of injuries we may face or potential off-field issues (hopefully none of this at least), so we can't assume anyone will be healthy all year or will make any huge jumps in play, etc. However, we can at minimum point to certain indisputable facts that differentiate the 2019 from 2018. Those would be as follows:
1. Experience
The rookies are no longer rookies, the sophomore are no longer sophomores. Among the 13 players I listed above, it would be beyond shocking if at least one or more of them did not make any kind of improvement.
2. Improved Depth
In order to qualify as improved depth at this point, the players added need to be proven to some extent. Dee Ford, Tevin Coleman, Kwon Alexander, Jason Verrett, Ben Garland, Jordan Matthews and Levine Toilolo all have shown they are either capable of being quality starters or reserves (Garland/Toilolo/Matthews) in the NFL.
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Summary:
Ultimately, while we cannot predict what injuries we may have, nor can we say with absolute certainty how well some of our rookies will do or how much improvement our other young players will show, if you take into account the indisputable facts and pair them with tempered expectations of improved player health and performance, it's easy to see where Vegas gets their over/under of 8 wins at. That is a very safe prediction that falls in the middle of "disaster" and "far exceeds expectations" basically. As an optimist, I tend to lean towards a 9 win season, but everyone will see the above set of information differently. If you lean more on the pessimistic side, well.. who knows? Perhaps the above could instill some small glimmer of hope in your world where one always expects the worst so you can avoid the taste of disappointment.

[ Edited by OnTheClock on Jun 25, 2019 at 6:05 AM ]