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Analyzing market value drop
I want to focus on a general analysis of why this player's market value might have dropped. Factors include age, injuries, and a role change, which can affect perceived value. His peak performance was during his time at Liverpool and early Barcelona. Injuries and inconsistent playing time also play a role. It might be worth explaining what "市场价" means in the context of valuation. I could suggest a deeper look into his career arc or comparisons with similar players for further insights. What specific analysis or options are you interested in?
看点在这儿：
- 估值为何跌到约350万欧：年龄上来＋多次伤病史（尤其巴萨时期后期的膝伤/肌肉伤）＋多年不在顶级强度联赛稳定首发，叠加高薪资历史与转会风险溢价，市场需求自然收缩。转会市场估值本质是“可能成交价的共识”，不是能力绝对值。
- “52场11球”的含义：仍有产出，但对比巅峰期的进球/助攻贡献与影响力，已从顶级核心变为有经验的进攻轮换/战术型前腰或内切边。数据分布若集中在强度较低的赛事/联赛，市场对溢价会更谨慎。
- 技战术定位的变化：爆点与持续加速能力下降，更多依赖经验、脚法和定位球；需要体系为其释放持球和中距离威胁，而非让他长时间高强度对抗与压迫。
- 交易层面掣肘：高薪履历＋伤病风险让五大联赛豪门的“边际升级”意愿低；更适合在巴西/中东/MLS这类环境做核心或关键轮换，用连续出勤与关键传球/定位球效率来稳住价值。
- 和“1.5亿巅峰”的落差：那是2017–2018左右在利物浦/初到巴萨时的产出与年龄曲线叠加通胀、稀缺性（能进球的10号位/内收边锋）的结果；一旦爆发力和对抗边际下滑，估值回落速度会很快。
如果你想更具体，我可以：
- 按赛季拆分出勤、进球＋助攻、关键传球/xA趋势，配上主要伤病时间线看转折点；
- 和同年龄段的攻击中场做估值与产出对比； 
- 结合他当前球队与角色，给一个下赛季可能的定位与数据预测。你更想看哪一个？