Leverkusen throw down gauntlet to Bayern in title tussle
Defending champions Leverkusen host 16th-placed Bochum on Friday and will draw to within three points of Bayern if they win.
A day later, Bayern host a St Pauli side who are one spot but five points above Bochum.
Normally reserved and circumspect, Alonso was bullish in his pre-match press conference on Thursday, saying the game was "super important... now the goal is clear, to fight until the end.
"We can reduce Bayern's lead to three points tomorrow. We want to put as much pressure on them...