Fowler is proud of how the team has improved on last season.
Speaking on LFCTV's Legends in Lockdown show, the Scouser said: "Without sounding egotistical, the difference from last year to this year was quite frightening.
"We conceded 71 goals last year in 27 games. I think we had 22 games this year and we conceded 24 – that was with a 5-1 loss and we won 4-3, eight goals in two games.
"I think when you are building a football team, it's paramount that you get the defence right. Because eventually once you get that right and you're a bit solid and you're a bit aggressive in a tackle, then I think you can sort of go forward and try to score goals.
"I think that's what I did, which is probably different to what people may think about me. Because I'm an attacker and you think, 'Oh, you're going to score all the goals'.
"When you are building teams, I think it's paramount that you build from the back and that's what we've done.
"We were in the play-offs and certainly the form team going in. We've accumulated more points since the turn of the year than any other team."