Rodriguez was shown a straight red card five minutes into his Bundesliga debut for a dangerous tackle.
Ex-German Football League boss says: "In the long run, the dominance of one club is not good for the competition."
New Bayern Munich coach Carlo Ancelotti has a 100 percent record after six games, but how does that compare to Pep Guardiola's start?
Aron Johannsson could miss up to three matches following his red card for Werder Bremen in the 4-1 defeat at Borussia Monchengladbach.
Leverkusen sit 11th in the table after three games, having suffered two away defeats, and now host Augsburg midweek before travelling to Mainz.
U.S. national team assistant coach Andreas Herzog is interested in returning to the Bundesliga to take over his former club Werder Bremen.