Tottenham hosts RB Leipzig in the first leg of one of the more intriguing pairings in the Champions League round of 16 on Wednesday.
On one hand, there's the manager matchup, with the experienced and eccentric Jose Mourinho matching wits with 32-year-old rising managerial star Julian Nagelsmann.
There's the experience factor, with Tottenham fresh off an appearance in last season's Champions League final and RB Leipzig appearing in its first UCL knockout match ever.
Then there's the injury situation, with Tottenham down both Harry Kane and Son Heung-min, while Leipzig plays without hobbled U.