This is the easiest way to play it:
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & |
E----------------------------------|
B-3---3---5---5--------------------|
G-----------------2---2---0---0----|
D---3---3---3---3---3---3---3---3--|
A----------------------------------|
E----------------------------------|
Chorus
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & |
E----------------------------------|
B----------------------------------|
G-3-3-3-3-5-5-5-5-2-2-2-2-0-0-0-0--|
D-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3--|
A----------------------------------|
E----------------------------------|
Final bar
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & |
E----------------------------------|
B-3---3---5---5---3----------------|
G-----------------x----------------|
D---3---3---3---3-3----------------|
A----------------------------------|
E----------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/a/all_time_quarterback/underwater_tab_ver_3.html ]
But this sounds more like the crappy guitar on the song:
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & |
E----------------------------------|
B----------------------------------|
G-7---7---9---9--------------------|
D-----------------7---7---5---5----|
A---8---8---8---8---8---8---8---8--|
E----------------------------------|
Chorus
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & |
E--------------------------------------------------|
B--------------------------------------------------|
D-8--8--8--8--10-10-10-10-7--7--7--7--5--5--5--5---|
A-8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8---|
E--------------------------------------------------|
Final bar
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & |
E----------------------------------|
B----------------------------------|
G-7---7---9---9---7----------------|
D-----------------x----------------|
A---8---8---8---8-8----------------|
E----------------------------------|
Tabbed by Luke E (the jeeneus)