In an exciting round of Premier League action, Chelsea secured a dramatic 1-0 victory over Bournemouth, thanks to the late-game heroics of substitutes Christopher Nkunku and Jadon Sancho. Chelsea's goalkeeper Robert Sanchez was pivotal, making a crucial penalty save from Evanilson in the first half after a poor backpass from Wesley Fofana led to the foul in the box. This victory marked Chelsea's second away win of the season, lifting them to seventh place in the early table.

The match was filled with drama, with a record 14 yellow cards issued, reflecting the tension on the pitch. Although not an overly aggressive match, both teams came close to losing a player. Lewis Cook and Marc Cucurella each faced the risk of a second booking in the second half. Ultimately, it was the substitute duo that shone for Chelsea: Sancho, on loan from Manchester United, expertly set up Nkunku, who finished skillfully into the bottom corner for his first league goal of the season.

Chelsea's Recent Performance
- Current Match: Chelsea 1-0 Bournemouth
- Key Players: Christopher Nkunku (substitute, scored the winning goal), Jadon Sancho (assisted the goal), Robert Sanchez (penalty save).
Match Highlights:
  - Chelsea struggled to find the net until late in the game.
  - The team's defensive solidity was tested with a penalty awarded to Bournemouth, but Sanchez saved the day.
  - The late winner demonstrates Chelsea's persistence and depth with impactful substitutes.

Comparison to Past Seasons:
- Last season, Chelsea had a difficult time, finishing in mid-table after inconsistent performances. They often struggled to score, leading to fewer wins.
- The addition of players like Nkunku and Sancho reflects a strategic shift to bolster the attack, aiming for more creative solutions in games where they’ve previously faltered. Their ability to grind out a win, particularly under pressure, suggests a growing resilience which was often lacking last season.

Meanwhile, Aston Villa showcased their attacking prowess in a thrilling 3-2 comeback victory against Everton. The Villains initially found themselves down 2-0, with early goals from Dwight McNeil and Dominic Calvert-Lewin. However, John Duran turned the tide with a stunning long-range strike to level the match. Ollie Watkins added to his tally with two goals, bringing his total for the season to three. Unai Emery's side is now positioned third in the league with three wins in four matches.

Everton's Recent Performance
- Current Match: Aston Villa 3-2 Everton
- Key Players: Dwight McNeil, Dominic Calvert-Lewin (early goals), but the team faltered in the second half.
Match Highlights:
  - Everton initially took a 2-0 lead but collapsed defensively, conceding three goals.
  - The inability to maintain their advantage highlights ongoing defensive issues.
 
Comparison to Past Seasons:
- Everton faced a similar narrative last season, where they also dropped points from winning positions frequently, contributing to their relegation battle.
- The current run of four consecutive defeats underscores a continuing trend of inconsistency, and their struggle to secure points could mirror past seasons where defensive vulnerabilities were their undoing.
- Their lack of squad depth and reliance on a few key players have been pronounced, as injuries to pivotal players have further exacerbated their issues. This season's poor start leaves them at the bottom of the table, raising concerns among fans and analysts.

Across the league, Nottingham Forest achieved a notable victory against Liverpool, ending the Reds' perfect start to the season with a 1-0 win, while Manchester City continued to lead at the top with Erling Haaland scoring twice against Brentford.

Overview of Team Trends

1. Consistency vs. Inconsistency:
   - Chelsea is showing improvement compared to last season, where they often would draw or lose similar matches. Their ability to grind out a win is a positive sign as they continue to find their rhythm under the new managerial setup.
   - Everton, conversely, appears to be regressing. Their early-season promise is overshadowed by a tendency to crumble under pressure, highlighting a need for strategic adjustment and possibly reinforcement in defense.

2. New Signings Impact:
   - Chelsea has brought in several key players focused on enhancing their attacking play. Their latest win indicates that these changes might be starting to pay off. By integrating new talent effectively, Chelsea has built a squad capable of turning games in their favor.
   - Everton seems stagnant with their key players underperforming, and they lack depth in their squad to turn games around effectively. Their reliance on a few star players to carry the team has proven untenable, especially as injuries take their toll.

3. Injury Issues:
   - Both teams have been dealing with injuries, but Chelsea's squad depth provides them an advantage to rotate their players, while Everton’s squad has been thinner, limiting their tactical flexibility. Everton’s injuries have forced them to rely on younger or less experienced players, compounding their struggles.

Conclusion

The contrasts in Chelsea and Everton's performances relative to past seasons highlight a potential shift for Chelsea towards recovery and improvement in league standings, while Everton must overcome their trend of inconsistency to stabilize their season. The Premier League remains unpredictable, emphasizing the importance of every match in the pursuit of both points and positional improvement. As the season progresses, both teams will need to adapt and evolve; Chelsea to build on their momentum and Everton to rectify their alarming downward spiral.