i think this is one of his best years stastically:
88-89 CHI 81 81 40.2 .538 .276 .850 1.80 6.20 8.00 8.0 2.89 .80 3.58 3.00 32.5
or some could argue this one..
90-91 CHI 82 82 37.0 .539 .312 .851 1.40 4.60 6.00 5.5 2.72 1.01 2.46 2.80 31.5
or even this one
86-87 CHI 82 82 40.0 .482 .182 .857 2.00 3.20 5.20 4.6 2.88 1.52 3.32 2.90 37.1
but anyways on to the defenders:
**note this players are in their prime as well**
1. Scottie Pippen - MJ's long time running mate - nasty defender, freakishly long wingspan.
Best Year Statistically (Defense)
'94-95 - Steals Per Game (SPG) - 2.94, Blocks Per Game (BPG) - 1.13
2. Ron Artest - 2004 NBA Defensive Player of the Year
Best Year Statistically (Defense)
2nd half of '01-02 - SPG - 2.78, BPG - .85
3. Bruce Bowen - Spurs #1 Defender
Best Year Statistically (Defense)
'97-98 SPG - 1.43, BPG - .48
4. Kobe Bryant - Dubbed MJ's heir apparent
Best Year Statistically (Defense)
'02-03 - SPG - 2.21, BPG - .82
5. Gary Payton - 1996 Defensive Player of the Year
Best Year Statistically (Defense)
'95-96 - SPG - 2.85, BPG - .23
6. Jason Kidd - Numerous All-NBA Defensive Team Selection
Best Year Statistically (Defense)
'98-99 - SPG - 2.28, BPG - .38
7. Eddie Jones - Jordan named him one of the better defenders around in the latter stages of his career
Best Year Statistically (Defense)
2nd half of '98-99 - SPG - 3.00, BPG - 1.13
8. Tayshaun Prince - I'm pretty sure a lot of people saw the job he did on KB8 in the Finals.
Best Year Statistically (Defense)
His stats don't say much

9. Dennis Rodman - Awesome defender, numerous NBA All Defensive Team selection.
His stats don't say much either

10. Doug Christie - NBA All Defensive Team Selection several times
Best Year Statistically (Defense)
'01-02 - SPG - 2.26, BPG - .56
11. Kevin Garnett - NBA All Defensive Team Selection several times also. Freakishly long arms.
Best Year Statistically (Defense)
'03-04 - SPG - 1.46, BPG - 2.17
. . ok that's my list, some honourable mention though:
Paul Pierce
Xavier McDaniel
John Starks
Charles Oakley
Craig Ehlo
