He did a lot of work off the ball in terms of pressing and creating space when in possession, passed well and was always available. Rodriguez clearly benefited from his work last night. While not the specialist ball winner that Allan is he does do a lot more tackling and recovering than is given credit for which is difficult to believe given the fact that was notably absent from his game earlier this season.I know he scored twice last night but I still think he brings very little overall to the team. As a sub after 65 minutes I can see his merits but his goals were a penalty and a flash of brilliance that is that rare from him I can't remember the last time he produced anything like that. James produces moments like that far more often. Sigurdsson also appears to like playing against Spurs for some reason.
Allan makes him a better player defensively by not having as much space to cover meaning he's tackling further up instead of trying to get back which he lacks the pace to do. And Rodriguez makes him a better player offensively. He's not a player that really improves a poor side but he's definitely someone who can contribute a lot in a team that complements his merits.
That flash of brilliance was a matchwinner if the centre halves were switched on, communicating well and trusting each other at the other end of the pitch.